900+ Adjectives That Start with M – Positive, Descriptive & Rare Words
Adjectives are the cornerstone of expressive communication, infusing our language with vibrancy, precision, and depth. They transform mundane sentences into powerful and engaging narratives. Adjectives starting with the letter "M" often evoke qualities like motivation, mindfulness, magnificence, and mystery, enriching your writing and creating a lasting impression.
This page is your comprehensive resource for discovering adjectives that begin with "M." Whether you're an aspiring writer building immersive stories, a student refining your essays, or a language enthusiast seeking to broaden your descriptive vocabulary, you'll find inspiration, insights, and practical tools to enhance your expression here.
To make your exploration effortless, we've meticulously categorized adjectives starting with "M" into intuitive sections. Each category provides detailed meanings, relevant synonyms, and actionable usage examples. With a curated selection of over 800 "M" adjectives, this guide aims to elevate your writing, spark your creativity, and empower you to communicate with eloquence and confidence.
- Positive Adjectives Starting with "M": These adjectives highlight qualities like magnanimity, mindfulness, and motivation, making them perfect for uplifting and encouraging messages. Use them to inspire positivity and foster a sense of well-being in your communication.
- Empowering Adjectives Starting with "M": Showcasing traits such as mastery, momentum, and majestic strength, these adjectives are ideal for motivational content, leadership communication, and inspiring confidence in your audience.
- Descriptive Adjectives Starting with "M": Perfect for storytelling, these adjectives bring to life magical settings, mysterious characters, or memorable moments. They add depth and texture to your narratives, making them engaging and unforgettable.
- Emotive Adjectives Starting with "M": These adjectives capture emotions such as melancholy, merriment, and marvel, enabling you to build a deep emotional connection with your audience. Use them to create impactful, heartfelt messages that resonate.
This guide provides a rich collection of adjectives starting with "M." Whether you're describing acts of mindfulness, emphasizing qualities like mastery and magnificence, or adding creativity to your writing, these adjectives will elevate your vocabulary and spark fresh ideas. Dive into the dynamic world of "M" adjectives to express yourself with clarity, emotion, and originality.
List of Positive Adjectives That Start with M – Synonyms & Meanings
Positive adjectives starting with "M" capture qualities like mindfulness, motivation, and magnificence. Whether you're describing a magnanimous leader, celebrating a memorable moment, or highlighting a majestic scene, these words add inspiration and positivity to your language. Adjectives like motivational, mellow, and marvelous showcase versatility and creativity, while terms such as magnetic and meaningful evoke connection and emotional depth in your writing.
Using positive adjectives that start with "M" can enhance your communication by infusing it with optimism and resonance. Whether you're crafting compelling stories, delivering motivational speeches, or creating heartfelt messages, these adjectives help you build meaningful connections with your audience. Words like mindful, magnificent, and merry bring vibrancy, creativity, and authenticity to your writing. Embrace these "M" adjectives to inspire your readers, foster positivity, and leave a lasting impression.
For a broader range of Positive Adjectives, don’t forget to explore our Comprehensive List of Positive Adjectives
Additionally, you can expand your vocabulary further by checking out our Comprehensive List of Adjectives Starting with "M".
| Adjective | Meaning | Synonyms |
|---|---|---|
| Magnificent | Extremely beautiful or impressive | Splendid, grand, majestic |
| Mindful | Attentive and aware | Conscious, aware, considerate |
| Motivational | Encouraging and inspiring | Inspirational, uplifting, encouraging |
| Marvelous | Causing great wonder or delight | Wonderful, amazing, astonishing |
| Majestic | Having great dignity or beauty | Regal, grand, noble |
| Mellow | Soft, rich, and pleasant | Gentle, smooth, mature |
| Magnanimous | Generous and forgiving, especially to a rival | Generous, noble, charitable |
| Mirthful | Full of joy and laughter | Cheerful, jolly, joyous |
| Magnetic | Having a compelling charm or attraction | Charismatic, captivating, alluring |
| Masterful | Demonstrating exceptional skill | Skillful, expert, adept |
| Mind-blowing | Astonishing or overwhelming | Astounding, amazing, incredible |
| Motivated | Having a strong reason to act | Driven, inspired, determined |
| Meaningful | Having significant meaning or value | Significant, purposeful, important |
| Methodical | Done in a systematic way | Organized, orderly, structured |
| Mesmerizing | Captivating and spellbinding | Enchanting, fascinating, hypnotic |
| Mighty | Possessing great strength or power | Strong, powerful, robust |
| Meticulous | Showing great attention to detail | Precise, detailed, careful |
| Mature | Fully developed or advanced | Grown, sophisticated, seasoned |
| Melodious | Pleasant to hear | Harmonic, tuneful, musical |
| Magnanimity | Generosity and high-mindedness | Selflessness, charity, nobility |
Negative Adjectives Starting with "M"
Negative adjectives starting with "M" are essential for portraying challenges, flaws, or intricate emotions in your writing. Whether you're describing a morose character, a muddled situation, or a meager effort, these words add complexity and tension to your narratives. Adjectives like manipulative, melancholic, and mundane effectively convey struggles or deficiencies, while terms such as malicious and miserable provide nuance to stories involving conflict or adversity.
Using negative adjectives that start with "M" can enhance the depth and emotional resonance of your writing. Whether you're developing flawed characters, exploring themes of hardship, or creating dramatic storylines, these adjectives help you articulate intricate struggles and emotions with clarity. Explore our extensive collection of negative adjectives starting with "M" to expand your vocabulary and add realism and complexity to your storytelling.
For a broader range of Nagative Adjectives, don’t forget to explore our Comprehensive List of Negative Adjectives
Additionally, you can expand your vocabulary further by checking out our Comprehensive List of Adjectives Starting with "M"
| Adjective | Meaning | Synonyms |
|---|---|---|
| Malevolent | Having or showing a wish to harm others | Malicious, spiteful, vindictive |
| Malicious | Intending to do harm | Vindictive, hostile, harmful |
| Morose | Sullen and ill-tempered | Gloomy, moody, sulky |
| Manipulative | Skillfully controlling or influencing others for selfish purposes | Deceptive, scheming, cunning |
| Melancholic | Feeling or expressing sadness | Sorrowful, gloomy, despondent |
| Miserly | Reluctant to spend money | Stingy, tightfisted, cheap |
| Muddled | Confused and disorganized | Chaotic, jumbled, messy |
| Malcontent | Dissatisfied and rebellious | Discontented, dissatisfied, resentful |
| Menacing | Threatening or suggesting danger | Intimidating, ominous, perilous |
| Mediocre | Of only average quality | Ordinary, unremarkable, bland |
| Malignant | Very harmful or dangerous | Deadly, pernicious, malevolent |
| Moody | Given to unpredictable changes of mood | Irritable, temperamental, volatile |
| Mad | Mentally ill or extremely foolish | Crazy, insane, irrational |
| Monotonous | Dull, repetitive, and unchanging | Boring, tedious, repetitive |
| Malodorous | Having an unpleasant smell | Stinky, smelly, foul |
| Martial | Relating to war or conflict | Militaristic, belligerent, combative |
| Miserable | Very unhappy or uncomfortable | Wretched, sorrowful, dejected |
| Malformed | Badly or imperfectly formed | Deformed, misshapen, distorted |
| Misguided | Having faulty judgment or reasoning | Ill-advised, mistaken, wrong |
| Melodramatic | Exaggeratedly emotional or dramatic | Over-the-top, theatrical, histrionic |
Descriptive Adjectives Starting with "M"
Descriptive adjectives starting with "M" bring depth, vibrancy, and a distinctive flair to your writing. Whether you're capturing a majestic landscape, portraying a mischievous character, or delivering a meticulous explanation, these words infuse your language with vivid imagery and appeal. Adjectives like marvelous, mellow, and mesmerizing add texture and uniqueness, ensuring your narrative remains engaging and unforgettable.
Using descriptive adjectives that start with "M" enables you to communicate with creativity, precision, and originality. Whether you're weaving a detailed story, crafting a thought-provoking essay, or delivering a compelling speech, these adjectives are indispensable for captivating your audience. Explore our expertly curated list of descriptive adjectives starting with "M" to expand your vocabulary and amplify the impact and charm of your writing.
For a broader range of Descriptive Adjectives, don’t forget to explore our Comprehensive List of Descriptive Adjectives
Additionally, you can expand your vocabulary further by checking out our Comprehensive List of Adjectives Starting with "M".
| Adjective | Meaning | Synonyms |
|---|---|---|
| Majestic | Having great dignity or beauty | Grand, regal, noble |
| Mellow | Soft, rich, and pleasant | Gentle, smooth, soothing |
| Meticulous | Showing great attention to detail | Precise, detailed, careful |
| Magnificent | Extremely beautiful or impressive | Splendid, grand, glorious |
| Marvelous | Causing great wonder or delight | Wonderful, amazing, astonishing |
| Misty | Filled with or covered by mist | Hazy, foggy, cloudy |
| Massive | Large and heavy or solid | Huge, enormous, colossal |
| Melodious | Pleasant-sounding | Harmonic, tuneful, musical |
| Memorable | Worth remembering | Unforgettable, striking, remarkable |
| Mesmerizing | Captivating and spellbinding | Enchanting, fascinating, hypnotic |
| Mysterious | Full of mystery or secrecy | Cryptic, enigmatic, secretive |
| Mirthful | Full of joy and laughter | Cheerful, jolly, joyous |
| Magnetic | Having an attractive quality | Charismatic, captivating, compelling |
| Mature | Fully developed or advanced | Grown, seasoned, sophisticated |
| Milky | Resembling milk in color or consistency | Cloudy, creamy, opaque |
| Modern | Relating to the present or recent times | Contemporary, current, up-to-date |
| Majestic | Having or showing impressive beauty or scale | Grand, magnificent, noble |
| Massive | Large and imposing | Immense, colossal, giant |
| Metallic | Having the qualities of metal | Shiny, lustrous, steely |
| Magnanimous | Generous or forgiving | Noble, big-hearted, charitable |
Emotional Adjectives Starting with "M"
Emotional adjectives starting with "M" are invaluable for expressing the subtle complexities of human feelings with authenticity and depth. Whether you're describing someone as melancholic in their mood, magnanimous in their forgiveness, or merry with delight, these words capture a broad spectrum of emotions. Adjectives like mournful, mystified, and motivated add layers of nuance, making your writing more emotionally resonant and relatable.
Using emotional adjectives that start with "M" empowers you to articulate intricate emotional landscapes with precision and creativity. Whether you're crafting a poignant narrative, developing multidimensional characters, or delivering a heartfelt message, these adjectives help you forge meaningful connections with your audience. Dive into our curated list of emotional adjectives starting with "M" to expand your vocabulary and bring profound emotional depth to your writing.
For a broader range of Emotional Adjectives, don’t forget to explore our Comprehensive List of Emotional Adjectives
Additionally, you can expand your vocabulary further by checking out our Comprehensive List of Adjectives Starting with "M" linked below on this page.
| Adjective | Meaning | Synonyms |
|---|---|---|
| Melancholic | Feeling or expressing sadness | Sorrowful, gloomy, wistful |
| Magnanimous | Generous and forgiving, especially towards a rival | Noble, big-hearted, selfless |
| Motivated | Driven by a desire or purpose | Inspired, determined, ambitious |
| Morose | Gloomy and sullen | Moody, glum, despondent |
| Merry | Cheerful and full of joy | Jolly, joyful, happy |
| Mesmerized | Captivated or fascinated | Entranced, spellbound, enchanted |
| Malicious | Having a desire to harm others | Vindictive, spiteful, cruel |
| Mindful | Aware and considerate | Conscious, attentive, thoughtful |
| Melodramatic | Exaggeratedly emotional or dramatic | Over-the-top, theatrical, histrionic |
| Mournful | Expressing sadness or sorrow | Sorrowful, grieving, lamenting |
| Magnetic | Having a compelling and attractive charm | Charismatic, alluring, captivating |
| Melancholy | Characterized by sadness or gloom | Despondent, pensive, wistful |
| Malcontent | Dissatisfied or rebellious | Discontented, dissatisfied, resentful |
| Motivational | Encouraging and inspiring | Uplifting, empowering, inspiring |
| Merciful | Showing compassion and forgiveness | Compassionate, forgiving, kind |
| Mistrustful | Lacking trust or confidence in someone | Suspicious, wary, skeptical |
| Marveling | Filled with wonder or astonishment | Amazed, awed, captivated |
| Melodious | Pleasant and harmonious in sound | Musical, tuneful, sweet-sounding |
| Manic | Excessively energetic or excited | Overzealous, frantic, hyperactive |
| Meaningful | Having significant value or purpose | Significant, purposeful, expressive |
Explore Over 800+ Adjectives Starting with "M" Complete with Meanings and Synonyms
Each adjective in this guide is accompanied by detailed definitions and carefully selected synonyms, offering you a comprehensive understanding of its meaning and practical applications. Whether you're a writer searching for the ideal word to add vibrancy to your descriptions, a student striving to expand your vocabulary, or a language enthusiast eager to refine your expressive abilities, this resource is designed to elevate your communication and deepen your mastery of the English language. Explore this guide to enhance your linguistic skills, unlock your creative potential, and achieve new levels of clarity and precision in your writing.
| Adjective | Meaning | Synonyms |
|---|---|---|
| Macabre | Disturbing and horrifying due to depiction of death or injury | Gruesome, ghastly, grim |
| Macaronic | Composed of a mixture of languages | Multilingual, hybrid, mixed |
| Maccabean | Relating to the Jewish revolt against the Seleucid Empire | Jewish, historical, revolutionary |
| Macedonian | Relating to Macedonia or its people | Balkan, Macedon, cultural |
| Macerative | Having the ability to soften or break down tissue | Softening, dissolving, breaking down |
| Machiavelian | Relating to Machiavelli's theories, often with cunning or deceit | Devious, cunning, manipulative |
| Machiavellian | Cunning, scheming, and unscrupulous, especially in politics | Devious, calculating, ruthless |
| Machinal | Resembling or relating to machinery | Mechanical, automated, machine-like |
| Machinelike | Operating with mechanical precision | Mechanical, automated, precise |
| Machine-made | Produced by a machine | Manufactured, fabricated, mass-produced |
| Macho | Displaying manliness or strength | Masculine, tough, manly |
| Macilent | Lean or thin in appearance | Thin, gaunt, slender |
| Macled | Marked or spotted with streaks | Spotted, streaked, variegated |
| Macrobiotic | Relating to a diet of whole grains and vegetables | Natural, healthy, holistic |
| Macrocephalic | Having an unusually large head | Big-headed, large-skulled, cranial |
| Macrocephalous | Possessing a large head relative to the body | Big-headed, cranial, large-skulled |
| Macrocosmic | Relating to the whole universe | Universal, cosmic, vast |
| Macrodactylic | Having abnormally large fingers or toes | Large-fingered, oversized, big-toed |
| Macrodactylous | Characterized by large fingers or toes | Big-toed, large-fingered, oversized |
| Macrodont | Having unusually large teeth | Big-toothed, large-dentition, oversized |
| Macroeconomic | Relating to the economy as a whole | Economic, financial, fiscal |
| Macrognathic | Having an unusually large jaw | Big-jawed, oversized, prominent |
| Macromolecular | Relating to large molecules | Molecular, large-scale, biochemical |
| Macropetalous | Having large petals | Big-petaled, floral, large-flowered |
| Macrophyllous | Having large leaves | Big-leafed, leafy, large-foliaged |
| Macropodal | Having large feet | Big-footed, large-footed, oversized |
| Macropodine | Relating to large-footed animals like kangaroos | Kangaroo-like, marsupial, large-footed |
| Macropodous | Characterized by large feet | Big-footed, large-toed, oversized |
| Macropterous | Having large wings | Big-winged, large-winged, expansive |
| Macroscopical | Visible to the naked eye | Visible, clear, evident |
| Macrosporic | Relating to large spores | Spore-based, biological, reproductive |
| Macrotous | Having large ears | Big-eared, prominent, large-eared |
| Macroura | Relating to animals with long tails | Long-tailed, elongated, tailed |
| Macroural | Characterized by a long tail | Long-tailed, elongated, extended |
| Macrural | Having a long tail | Elongated, long-tailed, extended |
| Macruroid | Relating to long-tailed fish | Fish-like, aquatic, long-tailed |
| Macrurous | Having a long tail or extended tail structure | Long-tailed, elongated, extended |
| Maculated | Marked with spots or stains | Spotted, stained, speckled |
| Maculose | Having a spotted or blotched appearance | Spotted, marked, stained |
| Mad | Insane or extremely angry | Insane, furious, irate |
| Madagascan | Relating to Madagascar or its people | Malagasy, cultural, regional |
| Madbrained | Having wild or crazy ideas | Impulsive, wild, crazy |
| Madcap | Recklessly adventurous or impulsive | Impulsive, reckless, daring |
| Maddening | Extremely annoying or infuriating | Frustrating, irritating, infuriating |
| Madding | Driving one to madness | Aggravating, infuriating, maddening |
| Maddish | Somewhat mad or crazy | Crazy, wild, eccentric |
| Made-up | Invented or fabricated | Imaginary, fictional, artificial |
| Madreporian | Relating to or resembling coral | Coral-like, marine, reef-related |
| Madreporic | Resembling or related to coral structures | Coral-like, marine, reef-related |
| Madrilenian | Relating to Madrid, Spain | Spanish, Madrid-based, regional |
| Maestoso | Played in a majestic or stately manner (music) | Majestic, stately, grand |
| Magdala | Relating to a place or person named Magdala | Historical, biblical, cultural |
| Magellanic | Relating to explorer Ferdinand Magellan | Exploratory, historical, navigational |
| Magenta | A bright purplish-red color | Pinkish-purple, fuchsia, reddish |
| Magged | Worn down or exhausted | Tired, worn-out, exhausted |
| Maggiore | Played in a major key (music) | Major, melodic, bright |
| Maggotish | Resembling or filled with maggots | Infested, worm-like, unpleasant |
| Maggoty | Infested with or resembling maggots | Infested, wormy, decaying |
| Magian | Relating to the Magi or ancient Zoroastrian priests | Wise, priestly, mystical |
| Magical | Having supernatural or enchanting qualities | Enchanting, mystical, wondrous |
| Magisterial | Having or showing authority | Authoritative, commanding, dignified |
| Magistral | Relating to a master or authority | Masterly, authoritative, skillful |
| Magistratical | Relating to a magistrate or official | Judicial, authoritative, official |
| Magnanimous | Generous or forgiving, especially toward rivals | Generous, noble, charitable |
| Magnesian | Containing or related to magnesium | Magnesium-rich, mineral, metallic |
| Magnesic | Relating to or containing magnesium | Mineral, metallic, magnesium-based |
| Magnetical | Relating to or caused by magnetism | Magnetic, attractive, magnetic-related |
| Magnetiferous | Containing or bearing magnetism | Magnetic, magnet-bearing, ferromagnetic |
| Magnetometric | Relating to measurement of magnetism | Magnetic, measurement-based, analytical |
| Magnetomotive | Producing or related to magnetic motion | Magnetic, motive, magnetic-powered |
| Magnifiable | Capable of being enlarged or enhanced | Enlargeable, expandable, augmentable |
| Magnific | Impressively beautiful or splendid | Grand, magnificent, splendid |
| Magnificent | Extremely beautiful or impressive | Grand, splendid, impressive |
| Magniloquent | Using high-flown or grandiose language | Grandiose, lofty, pompous |
| Magniloquous | Speaking in a lofty or grand manner | Grandiloquent, eloquent, pompous |
| Magnoliaceous | Belonging to the magnolia family of plants | Botanical, floral, magnolia |
| Magyar | Relating to the Hungarian people or language | Hungarian, cultural, regional |
| Mahratta | Relating to the Maratha people of India | Maratha, Indian, cultural |
| Maiden | Relating to an unmarried young woman | Young, virginal, pure |
| Maidenlike | Resembling or characteristic of a maiden | Innocent, pure, modest |
| Maidpale | Pale or fair in a maidenly way | Pale, fair, delicate |
| Maieutical | Relating to helping bring out latent ideas | Socratic, inquisitive, philosophical |
| Maigre | Relating to abstinence from meat | Meatless, fasting, vegetarian |
| Mailable | Suitable for mailing | Postable, sendable, shippable |
| Mailclad | Clad in mail armor | Armored, shielded, protected |
| Mailed | Covered or protected with armor | Armored, fortified, shielded |
| Main | Primary or most important | Primary, principal, chief |
| Mainpernable | Capable of being bailed or released | Releasable, bailable, dischargeable |
| Mainstreamed | Integrated into the mainstream | Accepted, normalized, integrated |
| Maintainable | Capable of being maintained or kept up | Upkeepable, sustainable, supportable |
| Maioid | Relating to the crab family | Crab-like, crustacean, marine |
| Maister | Master or chief | Leader, master, superior |
| Majestic | Having grandeur or impressive beauty | Grand, magnificent, dignified |
| Major | Greater in importance or size | Primary, significant, important |
| Majorat | Inheritance or entitlement to property | Estate, inheritance, legacy |
| Majorcan | Relating to Majorca, an island of Spain | Balearic, Spanish, island-related |
| Majuscule | Written in large or uppercase letters | Uppercase, capital, large |
| Makable | Capable of being made or created | Doable, achievable, feasible |
| Makeshift | Serving as a temporary substitute | Temporary, improvised, provisional |
| Malacissant | Softening or having the power to soften | Softening, emollient, soothing |
| Malacozoic | Relating to soft-bodied animals | Soft-bodied, molluscan, marine |
| Maladaptive | Poorly adapted to a situation | Dysfunctional, unsuitable, unfit |
| Maladjustive | Relating to poor adjustment | Unfit, maladjusted, dysfunctional |
| Maladroit | Clumsy or lacking skill | Clumsy, awkward, inept |
| Malapert | Bold or impudent | Insolent, cheeky, brazen |
| Malapropos | Inappropriate or out of place | Unfitting, untimely, inappropriate |
| Malar | Relating to the cheek or cheekbone | Facial, cheekbone, zygomatic |
| Malarial | Relating to or affected by malaria | Infected, malarious, diseased |
| Malarian | Associated with malaria | Malaria-related, infected, diseased |
| Malarious | Affected by or infested with malaria | Malaria-infected, diseased, affected |
| Malawian | Relating to Malawi or its people | African, Malawian, cultural |
| Malayan | Relating to the Malay Peninsula or its people | Asian, Malay, regional |
| Malaysian | Relating to Malaysia or its people | Asian, Malaysian, cultural |
| Male | Relating to the male gender | Masculine, manly, male |
| Malecontent | Dissatisfied or rebellious | Discontent, rebellious, unhappy |
| Maledicent | Speaking in a harmful or slanderous manner | Slanderous, malicious, harmful |
| Maledict | Uttering a curse or slander | Curse, slander, condemn |
| Malefic | Causing harm or destruction | Harmful, destructive, malevolent |
| Maleficent | Having or showing a wish to harm others | Malevolent, evil, wicked |
| Maleficial | Producing harm or evil | Harmful, injurious, detrimental |
| Maleic | Relating to or derived from maleic acid | Chemical, acidic, organic |
| Malevolent | Wishing harm or evil upon others | Malicious, spiteful, hostile |
| Malevolous | Having a harmful or evil disposition | Malicious, sinister, malevolent |
| Malformed | Abnormally or poorly formed | Deformed, misshapen, irregular |
| Malgracious | Rude or lacking grace | Ungraceful, rude, discourteous |
| Malian | Relating to Mali or its people | African, Malian, cultural |
| Malic | Relating to or containing malic acid | Acidic, chemical, organic |
| Malicious | Intending to do harm | Spiteful, malevolent, harmful |
| Malign | Having a harmful effect | Harmful, injurious, evil |
| Malignant | Very harmful or infectious | Deadly, harmful, cancerous |
| Mallard | Relating to or resembling a type of wild duck | Duck-like, waterfowl, aquatic |
| Malleable | Capable of being shaped or molded | Flexible, pliable, adaptable |
| Malleal | Relating to the hammer-shaped bone in the ear | Otic, ear-related, auditory |
| Malleolar | Relating to the bony prominence on each side of the ankle | Ankle-related, jointed, bone-like |
| Malnourished | Lacking adequate nutrition | Underfed, undernourished, starving |
| Malodorous | Having a bad smell | Stinky, foul-smelling, smelly |
| Malodourous | Having a foul odor | Smelly, stinky, foul-smelling |
| Malonic | Relating to malonic acid | Chemical, acidic, organic |
| Malpighian | Relating to the anatomy of small tubules in insects | Insect-related, biological, anatomical |
| Malposed | Improperly positioned or misaligned | Misaligned, misplaced, malpositioned |
| Malted | Containing malt or made with malted barley | Malt-based, brewed, flavored |
| Maltese | Relating to Malta or its people | Maltese, Mediterranean, cultural |
| Malthusian | Relating to the ideas of Thomas Malthus on population | Population-related, economic, demographic |
| Maltonic | Containing or derived from malt | Malted, malt-based, brewed |
| Malty | Having a flavor or aroma of malt | Rich, brewed, malt-flavored |
| Malvaceous | Relating to the mallow family of plants | Botanical, floral, mallow-related |
| Mammalian | Relating to mammals | Mammal, warm-blooded, vertebrate |
| Mammary | Relating to the mammary glands | Glandular, lactational, breast-related |
| Mammiferous | Possessing mammary glands | Mammalian, glandular, lactational |
| Mammillated | Having a surface covered with small rounded protuberances | Knobby, bumpy, nodular |
| Mammoth | Huge or enormous in size | Gigantic, massive, colossal |
| Manable | Capable of being controlled or handled | Manageable, controllable, operable |
| Manageable | Capable of being handled or controlled | Controllable, operable, feasible |
| Manageless | Impossible to manage | Unmanageable, uncontrollable, unruly |
| Managerial | Relating to a manager or management | Supervisory, administrative, executive |
| Manal | Relating to the hands | Hand-related, manual, tactile |
| Manchu | Relating to the Manchu people or culture | Asian, Manchurian, cultural |
| Manchurian | Relating to Manchuria or its people | Asian, Manchu, regional |
| Mancunian | Relating to Manchester, England | British, Manchester-based, regional |
| Mandaean | Relating to the Mandaean religion or people | Religious, cultural, ancient |
| Mandarinic | Relating to the Mandarin language or culture | Chinese, cultural, linguistic |
| Mandative | Expressing a command or mandate | Commanding, mandatory, obligatory |
| Mandatory | Required by law or rule | Compulsory, obligatory, required |
| Mandean | Relating to the Mandean culture or language | Cultural, ethnic, linguistic |
| Mandelic | Relating to mandelic acid | Chemical, acidic, organic |
| Manducable | Capable of being chewed | Edible, chewable, consumable |
| Manducatory | Relating to chewing or the process of mastication | Chewing, masticatory, edible |
| Maned | Having a mane, usually referring to animals | Long-haired, furred, hairy |
| Maneless | Lacking a mane | Hairless, bare, unadorned |
| Manerial | Relating to a manor or estate | Estate-related, noble, aristocratic |
| Maneuverable | Easy to move or steer | Controllable, steerable, flexible |
| Manful | Having or showing courage and determination | Brave, strong, courageous |
| Manganesian | Relating to or containing manganese | Manganese-based, metallic, mineral |
| Manganesic | Containing or derived from manganese | Manganese-rich, metallic, mineral |
| Manganesious | Relating to compounds of manganese | Manganese-based, mineral, chemical |
| Manganesous | Containing or involving manganese | Manganese-based, mineral, metallic |
| Manganic | Relating to manganese | Mineral, manganese-based, chemical |
| Manganiferous | Containing manganese | Manganese-rich, mineral, metallic |
| Manganous | Containing manganese in a lower oxidation state | Manganese-based, mineral, metallic |
| Mangled | Severely damaged or mutilated | Damaged, destroyed, mutilated |
| Mangy | Having a worn or shabby appearance | Shabby, scruffy, ragged |
| Maniable | Capable of being managed | Manageable, controllable, feasible |
| Maniac | Exhibiting extreme, often wild enthusiasm or behavior | Fanatic, enthusiast, wild |
| Maniacal | Wildly enthusiastic or crazed | Frenzied, insane, hysterical |
| Manic | Exhibiting extreme excitement or energy | Frenetic, hyperactive, excited |
| Manichaean | Relating to the ancient religious doctrine of dualism | Dualistic, philosophical, ancient |
| Manichean | Relating to the ancient philosophy of dualism between good and evil | Dualistic, philosophical, spiritual |
| Manichee | A follower of the Manichean philosophy of dualism | Dualist, believer, follower |
| Maniclike | Resembling or similar to a state of mania | Frenzied, hyperactive, excitable |
| Manifest | Clear or obvious to the mind or eye | Clear, obvious, evident |
| Manifolded | Comprising many elements | Multiple, numerous, varied |
| Manipulable | Capable of being controlled or influenced | Controllable, adjustable, influenceable |
| Manipulative | Skilled at influencing or controlling others | Controlling, devious, calculating |
| Mankind | Human beings collectively | Humanity, people, humankind |
| Manless | Lacking human presence | Deserted, empty, vacant |
| Manlike | Resembling a human | Humanlike, humanoid, manly |
| Manly | Having qualities traditionally associated with men | Masculine, strong, brave |
| Man-made | Created or caused by humans | Artificial, manufactured, synthetic |
| Manned | Operated or controlled by people | Staffed, operated, inhabited |
| Mannered | Displaying certain manners or behavior | Polite, courteous, well-behaved |
| Mannitic | Relating to or containing mannitol | Chemical, sugar-based, organic |
| Manoeuvrable | Capable of being moved or steered | Steerable, flexible, adaptable |
| Manometrical | Relating to the measurement of pressure | Pressure-based, scientific, analytical |
| Manorial | Relating to a manor or estate | Estate-based, aristocratic, noble |
| Manque | Unsuccessful or unfulfilled in aspirations | Frustrated, unfulfilled, aspiring |
| Mansard | Relating to a roof with a double slope | Architectural, sloped, roofed |
| Mansuete | Gentle or mild in nature | Gentle, mild, tame |
| Mantic | Relating to prophecy or divination | Prophetic, visionary, mystical |
| Mantled | Covered or cloaked | Cloaked, covered, enveloped |
| Mantuan | Relating to the city of Mantua, Italy | Italian, cultural, regional |
| Manual | Done by hand or physical effort | Physical, hand-based, operated |
| Manuary | Relating to manual or hand work | Manual, physical, hand-based |
| Manubial | Relating to a handle | Handheld, gripped, controlled |
| Manubrial | Relating to the handle-like structure | Handle-based, anatomical, structural |
| Manufactory | Relating to manufacturing | Industrial, factory-related, manufacturing |
| Manufactural | Relating to the process of making goods | Industrial, productive, fabrication-related |
| Manumotive | Relating to the power of the hand | Manual, hand-based, forceful |
| Manurable | Capable of being fertilized | Fertilizable, cultivable, farmable |
| Manurial | Relating to manure or fertilization | Fertilizing, agricultural, compost-based |
| Manuscript | Written by hand or typewritten | Handwritten, document, draft |
| Manuscriptal | Relating to manuscripts | Documentary, written, textual |
| Manx | Relating to the Isle of Man or its people | Isle of Man, cultural, regional |
| Many | Numerous or a large number | Numerous, abundant, multiple |
| Maoist | Relating to the teachings of Mao Zedong | Political, ideological, revolutionary |
| Maori | Relating to the indigenous people of New Zealand | Indigenous, New Zealand, cultural |
| Maplelike | Resembling a maple tree or leaf | Tree-like, leafy, botanical |
| Maplike | Resembling a map | Cartographic, diagrammatic, mapped |
| Mapping | Relating to creating or following a map | Cartographic, navigational, directional |
| Marasritaceous | Relating to pearl-like formations | Pearly, gem-like, lustrous |
| Marauding | Roaming in search of things to steal or people to attack | Pillaging, looting, raiding |
| Marble | Made of or resembling marble stone | Stone-like, solid, polished |
| Marbled | Having a streaked or mottled appearance like marble | Patterned, streaked, mottled |
| Marbleised | Given a marble-like texture or appearance | Patterned, textured, polished |
| Marbly | Resembling or having qualities of marble | Stony, solid, hard |
| Marcasitical | Relating to marcasite, a mineral form of iron sulfide | Mineral, metallic, geological |
| Marcato | Played with emphasis (music) | Emphasized, accented, stressed |
| Marcescent | Withering without falling off | Withering, decaying, drying |
| Marcescible | Liable to decay or wither | Perishable, decaying, withering |
| Marching | Moving in a coordinated step | Parading, striding, progressing |
| Marcian | Relating to Saint Mark or the region of Venice | Saintly, Venetian, religious |
| Marcid | Withered or wasted away | Withered, shriveled, decayed |
| Margaric | Relating to a type of fatty acid | Fatty, chemical, lipid |
| Margaritic | Resembling mother-of-pearl | Pearly, lustrous, iridescent |
| Margaritiferous | Containing pearls | Pearl-bearing, gem-laden, valuable |
| Margarous | Containing or derived from margaric acid | Fatty, lipid-based, chemical |
| Marginal | Relating to or situated at the edge | Peripheral, bordering, edge-based |
| Marginated | Having a defined margin or edge | Outlined, bordered, edged |
| Margined | Having a margin or boundary | Bordered, bounded, delimited |
| Marginicidal | Splitting along a margin | Separable, splitting, dividing |
| Marian | Relating to the Virgin Mary | Religious, holy, sacred |
| Marigenous | Produced by or existing in the sea | Marine, oceanic, sea-born |
| Marine | Relating to the sea or ocean | Oceanic, aquatic, maritime |
| Marish | Relating to marshes or swamps | Swampy, boggy, marshy |
| Marital | Relating to marriage | Conjugal, matrimonial, wedded |
| Maritated | Having a spouse or relating to marriage | Married, wedded, conjugal |
| Maritimale | Variant of maritime; relating to the sea | Maritime, oceanic, coastal |
| Maritime | Connected with the sea or shipping | Marine, nautical, oceanic |
| Markable | Capable of being marked or noted | Notable, distinguishable, noticeable |
| Marked | Having a noticeable or distinctive feature | Distinct, notable, defined |
| Marketable | Capable of being sold or marketed | Sellable, commercial, tradeable |
| Markovian | Relating to Markov processes | Stochastic, probabilistic, sequential |
| Marlaceous | Containing marl, a type of soil | Earthy, clay-based, soil-rich |
| Marlitic | Containing marl or resembling marl | Earthy, clay-like, soil-based |
| Marly | Resembling or containing marl | Clay-like, soil-based, earthy |
| Marmoraceous | Resembling marble | Marble-like, stony, polished |
| Marmoreal | Relating to or resembling marble | Marble-like, polished, stony |
| Marmorean | Similar to marble in appearance | Stony, polished, marble-like |
| Maroc | Relating to Morocco | Moroccan, North African, cultural |
| Maroon | Of a dark red-brown color | Red-brown, burgundy, dark red |
| Marooned | Stranded or abandoned | Stranded, isolated, deserted |
| Marred | Damaged or disfigured | Ruined, impaired, spoiled |
| Marriable | Capable of being married | Eligible, suitable, matrimonial |
| Married | Joined in marriage | Wedded, conjugal, espoused |
| Marrowish | Having a quality resembling marrow | Rich, nutritious, soft |
| Marrowless | Lacking substance or essential content | Hollow, empty, unsubstantial |
| Marrowy | Containing or resembling marrow | Nutritious, rich, soft |
| Marsh | Relating to wetland areas | Swampy, boggy, wetland |
| Marshy | Resembling a marsh or swamp | Swampy, boggy, wet |
| Marsupial | Relating to animals with pouches, like kangaroos | Pouched, mammalian, Australian |
| Martial | Relating to war or military | Military, warlike, combative |
| Martian | Relating to the planet Mars | Extraterrestrial, planetary, alien |
| Marvellous | Extraordinarily good or pleasing | Wonderful, extraordinary, amazing |
| Marvelous | Causing wonder or amazement | Incredible, amazing, astonishing |
| Marxist | Relating to the political theories of Karl Marx | Socialist, communist, ideological |
| Mascled | Decorated with lozenge-shaped patterns | Patterned, diamond-shaped, lozenged |
| Masculine | Having qualities traditionally associated with men | Manly, male, virile |
| Mashy | Soft or resembling mashed texture | Soft, pulpy, mushy |
| Masked | Concealed or disguised | Hidden, covered, obscured |
| Maslin | Made of mixed grain or materials | Mixed, composite, blended |
| Masochistic | Deriving pleasure from pain or humiliation | Self-punishing, submissive, suffering |
| Masonic | Relating to the Freemasons | Fraternal, brotherly, secretive |
| Masoretical | Relating to the Masoretic texts of the Hebrew Bible | Biblical, textual, scholarly |
| Mass | Relating to a large amount or quantity | Large-scale, substantial, bulk |
| Massed | Grouped together in large amounts | Gathered, amassed, clustered |
| Masseteric | Relating to the masseter muscle in the jaw | Jaw-related, anatomical, muscular |
| Masseterine | Associated with the masseter muscle | Muscular, jaw-related, anatomical |
| Massive | Very large and heavy | Enormous, huge, substantial |
| Massy | Large, solid, and heavy | Massive, weighty, bulky |
| Masted | Having a mast or masts (usually of ships) | Sailed, rigged, nautical |
| Mastered | Fully learned or understood | Learned, skilled, proficient |
| Masterful | Exhibiting great skill or dominance | Skillful, commanding, accomplished |
| Masterless | Without a leader or owner | Uncontrolled, independent, leaderless |
| Masterous | Having qualities of a master | Skillful, commanding, dominant |
| Mastful | Full of masts, as a ship | Rigged, nautical, sailed |
| Masticable | Capable of being chewed | Chewable, edible, consumable |
| Masticatory | Relating to the act of chewing | Chewing, masticating, jaw-related |
| Mastless | Lacking a mast | Unrigged, unsailed, nautical |
| Mastodontic | Huge or massive | Gigantic, colossal, massive |
| Mastoid | Relating to the mastoid bone in the skull | Bone-related, anatomical, ear-related |
| Mastoidal | Similar to or related to the mastoid process | Anatomical, bone-like, skull-related |
| Masty | Containing or producing mast (fruits of forest trees) | Nut-bearing, seed-laden, forested |
| Matchable | Capable of being matched or paired | Comparable, pairable, alignable |
| Matchless | Unrivaled or incomparable | Unmatched, unparalleled, unique |
| Mated | Paired or joined together | Paired, coupled, joined |
| Matelasse | Having a raised pattern, as in fabric | Textured, patterned, quilted |
| Mateless | Without a partner | Single, unpaired, alone |
| Material | Relating to physical substance | Physical, tangible, concrete |
| Materialistical | Focused on physical or material possessions | Materialistic, worldly, acquisitive |
| Materious | Consisting of or related to matter | Substantial, material, physical |
| Maternal | Relating to motherhood | Motherly, nurturing, caring |
| Maternalistic | Possessing maternal qualities | Motherly, caring, nurturing |
| Materteral | Relating to an aunt | Aunt-like, familial, caring |
| Matey | Friendly or sociable | Chummy, friendly, sociable |
| Mathematical | Relating to mathematics | Arithmetic, geometric, analytical |
| Matin | Relating to morning prayers | Morning, early, religious |
| Matinal | Occurring in the morning | Morning, early, dawn-related |
| Matriarchal | Relating to a system led by women | Female-led, maternal, matrilineal |
| Matriarchic | Having characteristics of a matriarch | Female-led, motherly, familial |
| Matrical | Relating to a matrix or source | Foundational, source-based, originative |
| Matricentric | Centered around the mother | Mother-focused, maternal, family-oriented |
| Matricidal | Relating to the act of killing one's mother | Parricidal, murderous, familial |
| Matriherital | Inherited through the mother | Matrilineal, maternal, hereditary |
| Matrilineal | Tracing descent through the mother | Maternal, ancestral, hereditary |
| Matrimonial | Relating to marriage | Marital, wedded, conjugal |
| Matrimonious | Having the nature of marriage | Marital, wedded, conjugal |
| Matripotestal | Exercising authority in the family | Authoritative, family-led, maternal |
| Matronal | Relating to a matron or mature woman | Mature, motherly, dignified |
| Matronlike | Resembling a matron | Motherly, dignified, mature |
| Matted | Tangled or densely packed | Tangled, knotted, dense |
| Matterless | Lacking substance or significance | Insignificant, unsubstantial, trivial |
| Maturational | Relating to growth or development | Developmental, growth-related, formative |
| Maturative | Causing or relating to maturation | Developmental, growth-related, aging |
| Mature | Fully developed or aged | Grown, adult, developed |
| Matured | Having reached full development | Developed, ripened, aged |
| Maturescent | Approaching maturity | Ripening, growing, developing |
| Maturing | Undergoing development | Developing, growing, aging |
| Matutinal | Relating to the early morning | Morning, early, dawn-related |
| Matutinary | Occurring in the morning | Morning, early, dawn-related |
| Matutine | Related to the morning or dawn | Morning, early, dawn-related |
| Maudlin | Excessively sentimental or tearful | Sentimental, emotional, tearful |
| Maungy | Grumpy or ill-tempered | Moody, irritable, grumpy |
| Mauritanian | Relating to Mauritania or its people | African, Mauritanian, cultural |
| Mauritian | Relating to Mauritius or its people | African, Mauritian, cultural |
| Mausolean | Relating to or resembling a mausoleum | Tomb-like, solemn, monumental |
| Mauve | Of a pale purple color | Purple, lavender, lilac |
| Mauvine | Resembling or relating to the color mauve | Purple, lavender, lilac |
| Maverick | Independent-minded or unorthodox | Nonconformist, unconventional, rebel |
| Mawkish | Overly sentimental | Sentimental, mushy, saccharine |
| Mawky | Sickly or nauseatingly sentimental | Sentimental, saccharine, sappy |
| Mawmish | Excessively sentimental or weakly emotional | Sappy, sentimental, mawkish |
| Maxi | Long or full-length, often relating to clothing | Full-length, extended, long |
| Maxillodental | Relating to the jaw and teeth | Dental, jaw-related, anatomical |
| Maxim | A general truth, fundamental principle, or rule | Aphorism, saying, rule |
| Mayan | Relating to the ancient Mayan civilization | Indigenous, cultural, Central American |
| Mayoral | Relating to a mayor or the office of a mayor | Administrative, civic, municipal |
| Mazarine | A deep purplish-blue color | Blue, indigo, dark blue |
| Mazdean | Relating to Zoroastrianism | Zoroastrian, religious, spiritual |
| Mazed | Bewildered or confused | Confused, bewildered, dazed |
| Mazy | Full of twists and turns; like a maze | Twisting, labyrinthine, intricate |
| Meager | Lacking in quantity or quality | Scanty, insufficient, sparse |
| Meagre | Thin or sparse | Scanty, insufficient, sparse |
| Mealy | Having a dry, crumbly texture | Crumbly, powdery, dry |
| Mealymouthed | Indirect or evasive in speech | Hesitant, evasive, indirect |
| Mean | Unkind or cruel | Unkind, cruel, harsh |
| Meandering | Following a winding or indirect course | Winding, wandering, twisting |
| Meandrian | Resembling winding or curving patterns | Curving, sinuous, winding |
| Meandrous | Having a winding or indirect pattern | Winding, sinuous, labyrinthine |
| Meandry | Resembling a winding course | Curving, twisted, winding |
| Meaningful | Having significance or purpose | Significant, purposeful, impactful |
| Meaningless | Lacking meaning or significance | Insignificant, purposeless, trivial |
| Meanspirited | Having a spiteful or unkind nature | Unkind, malicious, vindictive |
| Measled | Spotted or marked with small spots | Speckled, spotted, freckled |
| Measly | Contemptibly small or few | Insufficient, puny, paltry |
| Measurable | Capable of being measured | Quantifiable, assessable, determinable |
| Measured | Carefully considered or calculated | Deliberate, calculated, controlled |
| Measureless | Immeasurable or boundless | Boundless, infinite, limitless |
| Meated | Containing or resembling meat | Meaty, fleshy, substantial |
| Meatless | Without meat | Vegetarian, plant-based, meat-free |
| Meaty | Rich in meat; substantial | Fleshy, substantial, hearty |
| Meazling | Covered with small spots | Speckled, spotted, freckled |
| Mechanic | Relating to machinery or tools | Mechanical, industrial, technical |
| Mechanical | Relating to machines or automatic processes | Machine-based, automated, technical |
| Mechanised | Equipped with machinery | Automated, machine-powered, industrial |
| Mechanistic | Relating to a mechanical approach | Automatic, robotic, methodical |
| Meckelian | Relating to the Meckel's cartilage in embryonic development | Anatomical, embryonic, developmental |
| Meconic | Relating to or derived from opium | Opium-based, chemical, narcotic |
| Meconinic | Derived from meconic acid | Chemical, acidic, opium-related |
| Mecopterous | Relating to the order Mecoptera of insects | Insect-related, entomological, biological |
| Med | Abbreviation for Mediterranean or medical | Shortened, abbreviated, regional |
| Medallic | Relating to medals or medallions | Decorative, commemorative, honorific |
| Meddlesome | Interfering in others' affairs | Intrusive, interfering, nosy |
| Meddling | Interfering or intruding | Intrusive, interfering, nosy |
| Mediaeval | Relating to the Middle Ages | Medieval, historical, old-fashioned |
| Median | Relating to the middle or center | Central, middle, midpoint |
| Medianic | Situated at or near the median | Central, median-based, midpoint |
| Mediastinal | Relating to the mediastinum, the central part of the chest | Thoracic, anatomical, chest-related |
| Mediated | Settled or resolved by mediation | Arbitrated, negotiated, resolved |
| Mediative | Acting to mediate or resolve | Arbitrating, negotiating, resolving |
| Mediatorial | Acting as a mediator | Arbitrative, intermediary, conciliatory |
| Medic | Relating to medicine or medical personnel | Medical, healthcare, doctor-related |
| Medicable | Capable of being treated or healed | Curable, treatable, remediable |
| Medical | Relating to the science of medicine | Healthcare, therapeutic, clinical |
| Medicamental | Relating to or involving medicine | Medical, pharmaceutical, therapeutic |
| Medicative | Having healing properties | Therapeutic, healing, curative |
| Medicean | Relating to the Medici family or Florence | Florentine, Italian, Renaissance-related |
| Medicinable | Capable of being cured | Curable, treatable, remediable |
| Medicinal | Having healing properties | Therapeutic, healing, remedial |
| Medicolegal | Relating to medical and legal issues | Forensic, legal-medical, jurisprudential |
| Medieval | Relating to the Middle Ages | Mediaeval, historical, ancient |
| Mediocral | Relating to mediocrity | Average, unremarkable, moderate |
| Mediocre | Of only moderate quality; not very good | Average, ordinary, unremarkable |
| Mediostapedial | Relating to the middle ear bone, stapes | Otic, auditory, anatomical |
| Medioxumous | Situated in the middle of a structure | Central, middle, medial |
| Meditative | Given to contemplation or reflection | Thoughtful, reflective, contemplative |
| Mediterranean | Relating to the Mediterranean Sea or region | Coastal, regional, Southern European |
| Medium | Of average size, quality, or quantity | Average, intermediate, moderate |
| Medley | A varied mixture or assortment | Mixture, assortment, variety |
| Medullar | Relating to the innermost part of an organ | Core, inner, central |
| Medullary | Relating to the medulla or marrow | Marrow-like, inner, core |
| Medullated | Having a medulla or inner structure | Marrow-containing, core, medullary |
| Medusoid | Resembling a jellyfish | Jellyfish-like, marine, aquatic |
| Meedful | Deserving reward or recognition | Worthy, deserving, commendable |
| Meek | Humble or submissive in nature | Submissive, humble, gentle |
| Megacephalic | Having a large head | Large-headed, cranial, oversized |
| Megacephalous | Possessing a large head | Large-headed, cranial, oversized |
| Megakaryocytic | Relating to large bone marrow cells | Bone-marrow, cellular, anatomical |
| Megalesian | Relating to ancient Roman festivals | Festive, Roman, cultural |
| Megalithic | Relating to large stone structures | Stone, prehistoric, monumental |
| Megaloblastic | Relating to abnormally large red blood cells | Cellular, blood-related, abnormal |
| Megarian | Relating to the ancient city of Megara | Greek, ancient, cultural |
| Megaric | Relating to the city of Megara | Greek, historical, cultural |
| Megascopical | Visible to the naked eye | Visible, macroscopic, clear |
| Megaseme | Having large eye sockets | Eye-socketed, large-eyed, anatomical |
| Megasthenic | Relating to large or robust physique | Sturdy, strong, robust |
| Meibomian | Relating to glands in the eyelids | Ocular, glandular, eyelid-related |
| Meiocene | Relating to the Miocene epoch | Geological, ancient, epoch-related |
| Meiotic | Relating to the process of meiosis | Biological, cellular, reproductive |
| Melancholic | Feeling or expressing sadness | Sad, gloomy, somber |
| Melancholious | Full of melancholy or sadness | Gloomy, sorrowful, somber |
| Melancholy | A feeling of deep sadness | Sad, depressed, sorrowful |
| Melanesian | Relating to Melanesia or its people | Pacific, cultural, regional |
| Melanic | Dark or relating to black pigmentation | Dark, pigmented, melanistic |
| Melanistic | Having dark pigmentation | Dark, pigmented, melanic |
| Melanochroic | Having dark or black skin | Dark-skinned, pigmented, melanic |
| Melanocomous | Having dark or black hair | Dark-haired, black-haired, pigmented |
| Melanotic | Relating to or affected by melanoma | Pigmented, cancerous, melanic |
| Melanuric | Relating to black pigmentation in urine | Biological, medical, melanic |
| Melassic | Relating to a type of sugar | Sugary, sweet, molasses-related |
| Meleagrine | Relating to turkeys | Bird-like, poultry, turkey-related |
| Meliaceous | Relating to the mahogany family of trees | Botanical, floral, wood-related |
| Melibean | Relating to pastoral poetry or rural themes | Pastoral, poetic, rural |
| Melicerous | Containing honey or a honey-like substance | Sweet, honeyed, sugary |
| Melilotic | Relating to sweet clover or honey | Botanical, sweet, honey-like |
| Meliorative | Improving or making better | Improving, enhancing, bettering |
| Meliphagan | Relating to birds that feed on honey | Honey-eating, nectar-feeding, avian |
| Meliphagous | Feeding on honey | Honey-eating, nectar-feeding, sweet-eating |
| Melissic | Relating to bees or honey | Bee-related, apian, honey-based |
| Mellaginous | Honey-like or resembling honey | Sweet, syrupy, honeyed |
| Mellic | Containing honey | Sweet, honeyed, sugary |
| Melliferous | Producing or yielding honey | Honey-producing, sweet, nectarous |
| Mellific | Relating to the production of honey | Honey-making, sweet, nectarous |
| Mellifluent | Flowing smoothly or sweetly | Sweet-sounding, melodious, harmonious |
| Mellifluous | Having a smooth, flowing sound | Melodious, sweet-sounding, harmonious |
| Melligenous | Produced by or derived from honey | Honey-based, sweet, sugary |
| Melliloquent | Speaking sweetly or eloquently | Eloquent, sweet-talking, persuasive |
| Melliphagous | Feeding on honey | Honey-eating, nectar-feeding, sweet-eating |
| Mellisonant | Having a smooth, pleasant sound | Melodious, harmonious, pleasant |
| Mellitic | Containing or resembling honey | Honeyed, sugary, sweet |
| Melodic | Relating to melody | Musical, tuneful, harmonious |
| Melodious | Having a pleasant, musical sound | Harmonious, tuneful, musical |
| Melodramatic | Exaggerated or overly emotional | Theatrical, overdramatic, exaggerated |
| Meloplastic | Relating to the formation of limbs or parts | Formative, structural, anatomical |
| Meltable | Capable of being melted | Fusible, liquefiable, heat-sensitive |
| Melted | Changed from solid to liquid by heat | Liquefied, molten, thawed |
| Membral | Relating to limbs or body parts | Anatomical, bodily, structural |
| Membranous | Relating to or resembling a membrane | Thin, tissue-like, flexible |
| Memorable | Worthy of being remembered | Unforgettable, noteworthy, significant |
| Memorative | Relating to memory or commemoration | Commemorative, memorial, reminiscent |
| Memorial | Intended to honor or remember | Commemorative, honorary, tributing |
| Memorizable | Capable of being remembered easily | Recallable, memorable, retainable |
| Memphian | Relating to Memphis, Egypt | Egyptian, historical, regional |
| Menacing | Threatening or foreshadowing evil | Intimidating, threatening, ominous |
| Menald | Relating to melancholy or sadness | Sorrowful, gloomy, melancholic |
| Mendable | Capable of being fixed or repaired | Repairable, fixable, correctable |
| Mendelian | Relating to Gregor Mendel's genetic laws | Genetic, hereditary, biological |
| Mendicant | Relying on charity; begging | Begging, dependent, needy |
| Menial | Lowly or unskilled work | Lowly, humble, servile |
| Menild | Possibly meaning "gentle" or "mild" in an archaic sense | Mild, gentle, soft |
| Meningeal | Relating to the meninges of the brain or spine | Neurological, spinal, cranial |
| Meniscal | Relating to the meniscus of the knee | Knee-related, anatomical, joint-related |
| Meniscoid | Resembling a meniscus | Crescent-shaped, joint-related, anatomical |
| Menispermic | Relating to the genus Menispermum | Botanical, plant-related, species-based |
| Menopausal | Relating to or occurring during menopause | Middle-aged, hormonal, climacteric |
| Mensal | Relating to a table or meal | Table-related, dining, meal-oriented |
| Menstrual | Relating to menstruation | Cycle-related, monthly, feminine |
| Menstruant | In the process of menstruation | Menstrual, cycle-related, feminine |
| Menstruous | Relating to or having menstruation | Menstrual, feminine, periodic |
| Mensurable | Capable of being measured | Measurable, assessable, quantifiable |
| Mensural | Relating to measurement | Measurable, metric, quantitative |
| Mental | Relating to the mind | Psychological, cognitive, intellectual |
| Mentholated | Containing menthol | Minty, cooling, aromatic |
| Menticultural | Relating to mental culture or development | Intellectual, educational, cognitive |
| Mentionable | Worthy of being mentioned | Notable, significant, mention-worthy |
| Mentorial | Relating to a mentor or guidance | Guiding, advisory, instructive |
| Mephitic | Having a foul or poisonous odor | Stinky, noxious, foul |
| Mephitical | Relating to a foul or toxic smell | Noxious, smelly, toxic |
| Meracious | Pure or unmixed | Pure, unadulterated, genuine |
| Mercable | Capable of being bought or sold | Tradeable, sellable, commercial |
| Mercantile | Relating to trade or commerce | Commercial, trading, business-related |
| Mercenary | Motivated by money or gain | Materialistic, selfish, acquisitive |
| Mercerized | Treated to give fabric a shiny finish | Glossy, treated, polished |
| Merchandisable | Suitable for selling as merchandise | Sellable, marketable, commercial |
| Merchant | Relating to commerce or trade | Commercial, business-related, trade-based |
| Merchantable | Suitable for sale | Sellable, marketable, tradeable |
| Merciable | Deserving of mercy | Pardonable, forgivable, excusable |
| Merciful | Showing compassion or forgiveness | Compassionate, kind, forgiving |
| Merciless | Lacking compassion or pity | Unforgiving, ruthless, harsh |
| Mercurial | Having a changeable or lively personality | Unpredictable, lively, volatile |
| Mercuric | Relating to mercury in a higher oxidation state | Metallic, chemical, toxic |
| Mercurous | Containing mercury in a lower oxidation state | Metallic, chemical, mercury-based |
| Mere | Being nothing more than | Simple, pure, sheer |
| Meretricious | Apparently attractive but having no real value | Showy, flashy, superficial |
| Merged | Joined or combined into one | Unified, combined, consolidated |
| Merging | Coming together or combining | Joining, unifying, blending |
| Meridian | Relating to noon or the highest point | Peak, apex, zenith |
| Meridional | Relating to the south | Southern, directional, regional |
| Merino | Relating to a type of fine wool | Woolen, fine-wool, fabric-based |
| Merismatic | Relating to cell division or growth | Biological, developmental, cellular |
| Meritable | Deserving of merit or praise | Praiseworthy, commendable, deserving |
| Merited | Rightfully earned or deserved | Earned, justified, deserved |
| Meriting | Worthy of or deserving recognition | Deserving, worthy, commendable |
| Meritless | Lacking value or worth | Worthless, unworthy, undeserving |
| Meritocratic | Relating to a system based on merit | Fair, talent-based, achievement-oriented |
| Meritorious | Deserving reward or praise | Praiseworthy, commendable, laudable |
| Meritory | Worthy of reward or merit | Deserving, praiseworthy, commendable |
| Merke | Dark or murky | Murky, dim, shadowy |
| Meroblastic | Relating to partial cleavage in eggs | Partial, biological, developmental |
| Meroistic | Relating to egg formation in some insects | Biological, reproductive, developmental |
| Merovingian | Relating to the Merovingian dynasty | Historical, dynastic, Frankish |
| Merry | Cheerful and lively | Joyful, happy, festive |
| Merrymaking | Engaged in festive activities | Festive, celebratory, joyous |
| Mesaconic | Relating to mesaconic acid | Chemical, acidic, organic |
| Mesal | Relating to the middle or median | Median, central, middle |
| Mesaraic | Relating to the mesentery (intestinal membrane) | Anatomical, intestinal, biological |
| Mesaticephalic | Having a medium-sized head | Medium-headed, cranial, anatomical |
| Mesenteric | Relating to the mesentery | Intestinal, biological, anatomical |
| Meseraic | Relating to the mesentery | Intestinal, biological, anatomical |
| Mesethmoid | Relating to the middle part of the ethmoid bone | Anatomical, cranial, skeletal |
| Meshed | Interlaced or networked | Interwoven, laced, interconnected |
| Meshy | Having a network-like structure | Networked, interwoven, lacy |
| Mesial | Situated in or near the middle | Median, central, middle |
| Mesic | Relating to environments with moderate moisture | Moist, moderate, temperate |
| Mesmeric | Causing a trance-like fascination | Hypnotic, fascinating, captivating |
| Mesmerizing | Captivating or entrancing | Enchanting, hypnotizing, spellbinding |
| Mesne | Intermediate or intervening | Intermediate, middle, intervening |
| Mesoamerican | Relating to ancient Central American civilizations | Ancient, Central American, cultural |
| Mesoblastic | Relating to the middle layer in embryo development | Embryonic, developmental, cellular |
| Mesobranchial | Relating to the middle branchial region | Anatomical, gill-related, middle |
| Mesocephalic | Having a medium-sized head | Medium-headed, cranial, anatomical |
| Mesocephalous | Having a head of medium proportions | Medium-headed, balanced, cranial |
| Mesodermal | Relating to the mesoderm, the middle layer in embryos | Embryonic, developmental, biological |
| Mesodermic | Relating to or derived from the mesoderm | Embryonic, developmental, biological |
| Mesodont | Having medium-sized teeth | Average-toothed, dental, anatomical |
| Mesogastric | Relating to the middle stomach region | Abdominal, middle, anatomical |
| Mesognathous | Having jaws of medium proportions | Medium-jawed, cranial, anatomical |
| Mesolithic | Relating to the middle Stone Age | Prehistoric, Stone Age, ancient |
| Mesomorphic | Having a muscular or athletic build | Muscular, athletic, fit |
| Mesomyodous | Having middle muscles attached to the sternum | Biological, anatomical, muscular |
| Mesonasal | Relating to the middle nasal region | Nasal, middle, anatomical |
| Mesonephric | Relating to the mesonephros, an embryonic kidney | Embryonic, renal, developmental |
| Mesonic | Relating to elementary particles called mesons | Particle-related, subatomic, scientific |
| Mesophytic | Relating to plants that require moderate moisture | Botanical, moisture-loving, temperate |
| Mesopodial | Relating to the middle segment of limbs | Limb-based, anatomical, middle |
| Mesorhine | Having a nose of medium width | Medium-nosed, cranial, anatomical |
| Mesoseme | Having an intermediate nose width | Medium-nosed, balanced, cranial |
| Mesosternal | Relating to the middle of the sternum | Chest-based, anatomical, middle |
| Mesotartaric | Relating to a type of tartaric acid | Chemical, acidic, organic |
| Mesothoracic | Relating to the middle segment of an insect’s thorax | Insect-related, anatomical, middle |
| Mesotrochal | Having cilia in the middle region | Biological, cellular, anatomical |
| Mesoxalic | Relating to a derivative of oxalic acid | Chemical, acidic, organic |
| Mesozoic | Relating to the era of dinosaurs | Prehistoric, ancient, geological |
| Messianic | Relating to a messiah or savior | Savior-like, prophetic, spiritual |
| Messy | Untidy or disorganized | Untidy, cluttered, chaotic |
| Metabolic | Relating to metabolism | Biological, bodily, physiological |
| Metabolous | Undergoing metamorphosis | Transforming, developmental, biological |
| Metabranchial | Relating to the rear gills in crustaceans | Biological, crustacean-related, gill-based |
| Metacarpal | Relating to the bones of the hand | Hand-based, anatomical, skeletal |
| Metacentric | Having a central centromere in chromosomes | Biological, genetic, cellular |
| Metadiscoidal | Relating to discoidal cleavage in eggs | Developmental, biological, cellular |
| Metagastric | Relating to the middle of the stomach | Abdominal, anatomical, middle |
| Metagenetic | Relating to or involving alternation of generations | Biological, generational, developmental |
| Metagenic | Relating to genetic change | Genetic, transformative, developmental |
| Metagnathous | Having jaws directed backward | Backward-jawed, anatomical, cranial |
| Metagrabolised | Confused or perplexed | Confused, bewildered, perplexed |
| Metagraphic | Relating to metagraphy or secondary writing | Written, secondary, descriptive |
| Metagrobolised | Bewildered or confused | Confused, perplexed, bewildered |
| Metaleptic | Relating to metalepsis, a figure of speech | Rhetorical, linguistic, figurative |
| Metallic | Having the characteristics of metal | Shiny, metallic, lustrous |
| Metalliferous | Containing or yielding metal | Ore-bearing, metal-rich, mineral |
| Metallike | Resembling metal | Metallic, shiny, lustrous |
| Metalline | Of or relating to metal | Metallic, lustrous, shiny |
| Metalloidal | Resembling a metalloid | Semi-metallic, metalloid, hybrid |
| Metallorganic | Containing both metal and organic elements | Metal-based, chemical, organic |
| Metallurgical | Relating to the study or process of metals | Metalworking, industrial, scientific |
| Metalogical | Relating to metal logic or symbolism | Logical, theoretical, symbolic |
| Metalorganic | Containing metal within organic compounds | Metal-based, chemical, organic |
| Metameric | Relating to segments in organisms | Segmental, biological, anatomical |
| Metamorphic | Relating to transformation, especially in geology | Transformative, geological, changed |
| Metamorphosic | Undergoing transformation | Transformative, changing, developmental |
| Metamorphous | Transforming in form | Transformative, changeable, developmental |
| Metanephritic | Relating to the metanephros or kidneys | Renal, biological, anatomical |
| Metantimonic | Relating to antimony compounds | Chemical, antimony-based, metallic |
| Metapectic | Relating to pectin or jelly-like substances | Gelling, thickening, chemical |
| Metaphoric | Using or containing metaphors | Figurative, symbolic, rhetorical |
| Metaphorical | Using metaphor; figurative | Symbolic, figurative, illustrative |
| Metaphosphoric | Relating to metaphosphoric acid | Chemical, acidic, phosphoric |
| Metaphrased | Rephrased or translated | Reworded, translated, paraphrased |
| Metaphrastic | Relating to paraphrasing or translating | Paraphrased, translated, restated |
| Metaphysic | Relating to metaphysics or abstract thought | Philosophical, theoretical, abstract |
| Metapodial | Relating to the metapodial bones | Bony, skeletal, anatomical |
| Metasilicic | Relating to metasilicic acid | Chemical, acidic, silicate-based |
| Metastable | In a stable state that can easily change | Unstable, temporary, changeable |
| Metastannic | Relating to metastannic acid | Chemical, acidic, tin-based |
| Metastatic | Relating to the spread of disease, especially cancer | Spreading, progressive, medical |
| Metasternal | Relating to the middle of the sternum | Chest-based, anatomical, central |
| Metatarsal | Relating to the bones of the foot | Foot-based, skeletal, anatomical |
| Metathetic | Relating to metathesis (rearranging sounds or letters) | Linguistic, rearranged, transposed |
| Metathoracic | Relating to the hind segment of an insect's thorax | Insect-related, anatomical, rear-based |
| Metatitanic | Relating to metatitanic acid | Chemical, acidic, titanium-based |
| Metatungstic | Relating to metatungstic acid | Chemical, acidic, tungsten-based |
| Metavanadic | Relating to metavanadic acid | Chemical, acidic, vanadium-based |
| Metayer | Relating to a sharecropping system | Sharecropping, agricultural, land-based |
| Metazoic | Relating to metazoans or multicellular animals | Biological, zoological, multicellular |
| Metempiric | Beyond empirical knowledge | Philosophical, transcendental, abstract |
| Meteoric | Relating to meteors or meteor showers | Astronomical, cosmic, fleeting |
| Meteorical | Relating to meteors | Astronomical, cosmic, fleeting |
| Meteoritic | Relating to meteorites | Cosmic, extraterrestrial, meteorite-based |
| Meteoroidal | Relating to meteoroids | Astronomical, cosmic, small meteor |
| Meteorologic | Relating to meteorology | Weather-related, atmospheric, climatic |
| Meteorous | Like or relating to meteors | Astronomical, cosmic, fleeting |
| Methionic | Relating to methionic acid | Chemical, acidic, sulfur-based |
| Methodic | Orderly or systematic | Systematic, organized, structured |
| Methodical | Systematic or arranged in an orderly way | Systematic, organized, orderly |
| Methodistic | Relating to methodism or a specific method | Structured, religious, systematic |
| Methodological | Relating to methodology or systematic principles | Scientific, structured, systematic |
| Methylated | Containing or treated with methyl groups | Chemical, methyl-based, organic |
| Methylic | Relating to or containing methyl | Chemical, organic, methyl-based |
| Meticulous | Showing great attention to detail | Detailed, precise, careful |
| Metonic | Relating to the Metonic cycle in astronomy | Astronomical, lunar, cyclic |
| Metonymic | Relating to or using metonymy | Figurative, symbolic, rhetorical |
| Metopic | Relating to the forehead | Cranial, frontal, anatomical |
| Metoposcopic | Relating to the study of the forehead and face lines | Physiognomic, facial, cranial |
| Metrical | Relating to meter, especially in poetry | Rhythmic, poetic, measured |
| Metrological | Relating to the science of measurement | Measurement-based, scientific, metric |
| Metronymic | Relating to names derived from a mother's name | Matronymic, naming, hereditary |
| Metropolitan | Relating to a large city or metropolis | Urban, city-based, cosmopolitan |
| Metropolitical | Relating to a metropolis or bishop's see | Urban, ecclesiastical, regional |
| Mettled | Full of spirit or courage | Brave, spirited, determined |
| Mettlesome | Full of courage or spirited | Spirited, courageous, lively |
| Mexican | Relating to Mexico or its people | Mexican, cultural, regional |
| Miasmal | Relating to or resembling miasma (foul air) | Foul, noxious, polluted |
| Miasmatic | Relating to miasma or poisonous vapors | Noxious, foul, polluted |
| Miasmic | Containing or resembling miasma | Foul, noxious, toxic |
| Micaceous | Containing or resembling mica | Mineral, sparkly, shiny |
| Miching | Shy or hiding in a mischievous manner | Sneaky, mischievous, sly |
| Mickle | Large in size or amount | Large, substantial, plentiful |
| Micracoustic | Relating to faint sounds | Quiet, low-volume, faint |
| Micro | Very small or miniature | Tiny, small, miniature |
| Microbial | Relating to or caused by microbes | Germ-related, bacterial, biological |
| Microbian | Relating to microbes or microorganisms | Microbial, biological, microscopic |
| Microbic | Containing or relating to microbes | Bacterial, biological, germ-related |
| Microcephalic | Having an abnormally small head | Small-headed, cranial, anatomical |
| Microcephalous | Possessing a small head | Small-headed, cranial, anatomical |
| Micrococcal | Relating to a genus of spherical bacteria | Bacterial, biological, microbial |
| Microcosmic | Relating to a miniature representation of something | Miniature, small-scale, representative |
| Microcoustic | Relating to faint sounds | Quiet, faint, low-volume |
| Microcrystalline | Consisting of small crystals | Crystal-like, fine-grained, small-grain |
| Microdont | Having unusually small teeth | Small-toothed, dental, anatomical |
| Microeconomic | Relating to microeconomics | Economic, small-scale, financial |
| Microelectronic | Relating to small electronic components | Electronic, miniature, technological |
| Microlithic | Relating to small stone tools from prehistoric times | Prehistoric, tiny-stone, archaeological |
| Micrologic | Relating to the study of small details or logic | Detail-oriented, logical, small-scale |
| Micrometric | Relating to microscopic measurements | Precision, small-scale, measured |
| Micronesian | Relating to Micronesia or its people | Pacific, cultural, regional |
| Microphonic | Relating to microphones or sound transmission | Acoustic, sound-based, audio |
| Microphonous | Relating to or producing sound waves | Acoustic, sound-related, auditory |
| Microphyllous | Having small leaves | Small-leafed, botanical, plant-based |
| Microphytal | Relating to microscopic plants | Botanical, microscopic, plant-based |
| Microscopal | Relating to microscopes | Microscopic, observational, scientific |
| Microscopial | Relating to the use of microscopes | Microscopic, observational, scientific |
| Microscopic | Too small to be seen with the naked eye | Minuscule, tiny, small-scale |
| Microseme | Having small eyes or eye openings | Small-eyed, cranial, anatomical |
| Microsporic | Relating to microscopic spores | Spore-based, biological, microscopic |
| Microsthenic | Having a small or delicate build | Small, delicate, frail |
| Microtomic | Relating to the cutting of thin slices for study | Thin-sliced, observational, scientific |
| Microtomical | Relating to the technique of microtomy | Scientific, thin-slicing, preparative |
| Midday | Relating to or occurring at noon | Noon, midday, central |
| Middle | Situated in the center | Central, intermediate, in-between |
| Middle-aged | Between youth and old age | Mature, adult, middle-life |
| Middle-class | Relating to the social class between upper and working classes | Average-income, societal, bourgeois |
| Midget | Very small in size | Miniature, tiny, small |
| Midi | Referring to a medium length, typically in clothing | Medium-length, moderate, mid-sized |
| Mightful | Full of power or strength | Powerful, strong, forceful |
| Mightless | Lacking strength or power | Weak, powerless, feeble |
| Mighty | Having great power or strength | Powerful, strong, forceful |
| Migniard | Delicate or dainty | Delicate, dainty, graceful |
| Mignon | Small and pretty; cute | Cute, petite, delicate |
| Migrant | Moving from one place to another | Traveling, moving, nomadic |
| Migrational | Relating to migration or movement | Movable, traveling, nomadic |
| Milanese | Relating to Milan, Italy | Italian, cultural, regional |
| Milch | Producing milk | Dairy, milk-producing, lactating |
| Mild | Not intense or severe | Gentle, moderate, soft |
| Milesian | Relating to the ancient city of Miletus | Ancient, Greek, historical |
| Miliary | Relating to small, seed-like spots | Small, granular, spotted |
| Miliolite | Relating to small fossil shells | Fossilized, marine, geological |
| Miliolitic | Containing or related to miliolites | Fossil-related, geological, ancient |
| Militant | Combative and aggressive | Aggressive, combative, confrontational |
| Militar | Relating to soldiers or the military | Military, soldierly, armed forces |
| Militarised | Organized for military purposes | Armed, martial, combative |
| Militaristic | Advocating military control or methods | Martial, warlike, combative |
| Military | Relating to soldiers or armed forces | Martial, armed, soldierly |
| Milken | Full of or producing milk | Milky, dairy, lactating |
| Milkful | Abundant in milk | Milky, creamy, rich |
| Milkless | Devoid of milk | Dry, empty, dairy-free |
| Milklike | Resembling milk | Milky, creamy, white |
| Milky | Containing or resembling milk | Creamy, white, dairy |
| Milled | Processed by grinding or milling | Ground, processed, refined |
| Millenarian | Relating to a period of a thousand years | Millennial, thousand-year, long-term |
| Millennial | Relating to a millennium | Thousand-year, generational, long-term |
| Millennian | Relating to or involving a millennium | Thousand-year, millennial, enduring |
| Millesimal | Relating to thousandths | Thousandth, fractional, minuscule |
| Miltonian | Relating to the works of John Milton | Literary, poetic, classical |
| Miltonic | Relating to John Milton's style | Poetic, classical, literary |
| Milvine | Relating to kites (birds) | Ornithological, avian, bird-related |
| Minable | Capable of being mined | Extractable, mineable, diggable |
| Minaceous | Resembling or containing mica | Sparkly, mineral, shiny |
| Minacious | Threatening or menacing | Intimidating, threatening, menacing |
| Mincing | Delicate or affected in manner | Prissy, delicate, affected |
| Mindful | Aware or attentive to something | Attentive, aware, conscious |
| Mindless | Lacking awareness or intelligence | Unthinking, careless, thoughtless |
| Mined | Extracted from the earth | Excavated, extracted, dug |
| Mineral | Relating to or containing minerals | Geological, earthy, inorganic |
| Mineralized | Infused with minerals | Hardened, mineral-rich, petrified |
| Mineralogical | Relating to the study of minerals | Geological, scientific, earthy |
| Mingleable | Capable of mingling or blending | Blendable, mixable, combinable |
| Mingling | Mixing or socializing | Blending, socializing, interacting |
| Mingy | Stingy or miserly | Stingy, tight-fisted, frugal |
| Mini | Very small or miniature | Small, tiny, compact |
| Miniard | Delicate or dainty | Dainty, delicate, graceful |
| Miniature | Smaller than usual | Small, tiny, diminutive |
| Minikin | Small or dainty | Dainty, tiny, petite |
| Minimal | Smallest in amount or degree | Small, least, bare |
| Miniscule | Very small or tiny | Minute, tiny, diminutive |
| Minish | To reduce in size or amount | Reduce, decrease, diminish |
| Ministerial | Relating to a minister or ministry | Clerical, official, governmental |
| Ministering | Attending to needs or services | Caring, serving, assisting |
| Ministrant | Providing aid or service | Helping, aiding, serving |
| Ministrative | Relating to ministering or serving | Assisting, supportive, clerical |
| Minoan | Relating to ancient Crete or its civilization | Ancient, Greek, historical |
| Minor | Less important or smaller in size | Small, insignificant, lesser |
| Minorat | Inheritance by the youngest child | Junior, youngest, hereditary |
| Mint | Fresh and aromatic; relating to mint | Herbaceous, green, refreshing |
| Minty | Having the flavor or aroma of mint | Fresh, aromatic, cool |
| Minus | Lacking or below zero | Negative, deficient, lacking |
| Miocene | Relating to a period in the geologic time scale | Geological, ancient, prehistoric |
| Miraculous | Extraordinary or supernatural | Marvelous, amazing, supernatural |
| Mirific | Creating or causing wonder | Wondrous, amazing, fantastic |
| Mirificent | Causing miracles or wonders | Marvelous, wondrous, astonishing |
| Mirk | Dark or gloomy | Dark, gloomy, murky |
| Mirthful | Full of joy or laughter | Joyful, cheerful, merry |
| Mirthless | Without joy or laughter | Joyless, sad, gloomy |
| Miry | Covered with or resembling mud | Muddy, slushy, boggy |
| Miscellany | Consisting of various kinds | Assorted, mixed, varied |
| Mischanceful | Full of misfortune | Unfortunate, unlucky, adverse |
| Mischiefable | Capable of causing mischief | Mischievous, playful, troublesome |
| Mischievous | Playfully causing trouble | Playful, naughty, roguish |
| Mischnic | Relating to food or cooking | Culinary, gastronomic, kitchen-based |
| Miscible | Capable of being mixed | Mixable, blendable, combinable |
| Misconstruable | Capable of being misunderstood | Ambiguous, confusing, unclear |
| Miscreant | Behaving badly or criminally | Villainous, immoral, rogue |
| Miscreative | Creating in a harmful way | Destructive, harmful, adverse |
| Miserable | Very unhappy or uncomfortable | Unhappy, sad, wretched |
| Miserly | Unwilling to spend money | Stingy, frugal, tight-fisted |
| Misogynous | Having a dislike of women | Sexist, prejudiced, anti-women |
| Mistakable | Capable of being mistaken | Confusable, ambiguous, unclear |
| Mistful | Full of mist | Misty, foggy, cloudy |
| Mistreated | Treated badly or unfairly | Abused, harmed, wronged |
| Mistrustful | Having or showing a lack of trust | Skeptical, suspicious, wary |
| Mistrustless | Without suspicion or mistrust | Trusting, naive, gullible |
| Misty | Full of or covered with mist | Foggy, cloudy, hazy |
| Misty-eyed | Having eyes that are moist with tears | Sentimental, emotional, teary |
| Mitigable | Capable of being lessened or alleviated | Reducible, lessened, alleviable |
| Mixable | Capable of being mixed | Blendable, miscible, combinable |
| Mixed | Consisting of different elements | Assorted, blended, varied |
| Mobile | Able to move or be moved easily | Movable, portable, adaptable |
| Modern | Relating to the present or recent times | Contemporary, current, up-to-date |
| Modest | Humble or not showy | Humble, unpretentious, reserved |
| Modifiable | Capable of being changed | Changeable, adjustable, alterable |
| Moist | Slightly wet or damp | Damp, humid, dewy |
| Moistful | Full of moisture | Wet, damp, humid |
| Moistless | Without moisture | Dry, arid, parched |
| Molestful | Tending to cause harm or annoyance | Annoying, troubling, bothersome |
| Momentary | Lasting for a very short time | Brief, fleeting, short-lived |
| Momentous | Of great importance or significance | Significant, important, consequential |
| Monadical | Relating to a single unit or monad | Singular, individual, unitary |
| Monarchal | Relating to a monarchy or monarch | Royal, sovereign, kingly |
| Monarchial | Relating to a monarchy | Royal, sovereign, regal |
| Monarchical | Relating to a monarchy or royal rule | Regal, royal, sovereign |
| Monastic | Relating to monasteries or monks | Ascetic, contemplative, cloistered |
| Monastical | Relating to monasteries or monks | Monastic, ascetic, cloistered |
| Moneran | Relating to the simplest, single-celled organisms | Single-celled, simple, primitive |
| Monestrous | Having one breeding season per year | Seasonal, annual, single-cycle |
| Monetary | Relating to money or currency | Financial, fiscal, economic |
| Monitive | Relating to warning or advising | Advisory, cautionary, warning |
| Monitorial | Relating to monitoring or supervising | Supervisory, overseeing, observational |
| Monocarpous | Having a single ovary or fruit | Single-fruited, botanical, simple |
| Monochromatic | Containing or using only one color | Single-color, uniform, plain |
| Monocrotic | Relating to a single pulse wave | Pulse-based, singular, rhythmic |
| Monoculous | Having only one eye | One-eyed, singular, anatomical |
| Monodelphic | Having a single womb or uterus | Single-wombed, reproductive, anatomical |
| Monodelphous | Having united stamen filaments in flowers | Botanical, single-structured, reproductive |
| Monodic | Relating to a single melodic line | Melodic, single-voiced, musical |
| Monogynous | Having only one pistil in flowers | Botanical, single-pistil, floral |
| Monolithic | Large, powerful, and uniform | Massive, uniform, solid |
| Monopersonal | Relating to a single person | Individual, personal, solitary |
| Monopetalous | Having one petal or united petals | Single-petaled, botanical, floral |
| Monophanous | Having a single transparent layer | Transparent, clear, single-layered |
| Monophonic | Relating to a single sound or tone | Single-tone, musical, simple |
| Monophyletic | Derived from a single ancestral species | Genetic, singular, ancestral |
| Monoplastic | Relating to a single form or structure | Uniform, single-formed, singular |
| Monoploid | Having a single set of chromosomes | Single-chromosome, genetic, biological |
| Monopodial | Having a single stem or foot | Single-stemmed, botanical, plant-based |
| Monopteral | Having a single row of columns | Single-columned, architectural, structural |
| Monopyrenous | Having a single stone or pit | Single-stoned, botanical, fruit-based |
| Monorganic | Having a single organic structure | Single-organ, unified, biological |
| Monosepalous | Having a single sepal or united sepals | Single-sepaled, botanical, floral |
| Monospermal | Having a single seed | Single-seeded, botanical, fruit-based |
| Monospermous | Containing only one seed | Single-seeded, botanical, fruit-based |
| Monospherical | Having a single spherical shape | Spherical, singular, round |
| Monostichous | Having one row or series | Single-rowed, sequential, orderly |
| Monotonical | Having a repetitive and unchanging tone | Monotonous, repetitive, dull |
| Monotonous | Lacking variety; repetitive | Repetitive, boring, dull |
| Monstrous | Extremely large or hideous | Huge, grotesque, horrific |
| Monumental | Large or historically significant | Historic, massive, significant |
| Moody | Subject to frequent changes in mood | Temperamental, irritable, emotional |
| Mootable | Capable of being debated or discussed | Debatable, arguable, discussable |
| Mopeful | Full of sadness or dejection | Sad, dejected, gloomy |
| Moraceous | Relating to the mulberry family of plants | Botanical, mulberry-related, plant-based |
| Morainic | Relating to a glacial moraine | Geological, glacial, ice-related |
| Moral | Relating to principles of right and wrong | Ethical, righteous, virtuous |
| Moralistic | Displaying a strong sense of morality | Righteous, virtuous, ethical |
| Morbid | Relating to death or disease; unhealthy | Unhealthy, gruesome, macabre |
| Mordicative | Having a biting or stinging quality | Biting, stinging, sharp |
| More | Greater in quantity or degree | Greater, additional, extra |
| Moresque | Relating to Moorish art or architecture | Arabesque, Islamic, ornamental |
| Morganatic | Relating to a marriage with unequal social status | Unequal, royal, social |
| Moribund | In a dying or declining state | Dying, declining, failing |
| Morintannic | Relating to mulberries or tannins | Botanical, tannin-based, mulberry-related |
| Morisco | Relating to the Moors or their culture | Moorish, cultural, historical |
| Morne | Gloomy or dismal | Gloomy, dismal, somber |
| Mortal | Subject to death | Human, perishable, finite |
| Motivated | Having a strong reason or drive | Driven, inspired, ambitious |
| Motiveless | Lacking a reason or motivation | Unmotivated, aimless, purposeless |
| Mountainous | Full of or resembling mountains | Hilly, rugged, large |
| Mournful | Feeling or expressing sorrow | Sorrowful, sad, grieving |
| Movable | Capable of being moved | Portable, mobile, transferable |
| Moveable | Capable of being moved | Movable, portable, flexible |
| Moveless | Incapable of movement | Still, fixed, immobile |
| Muffled | Quieted or softened | Muted, softened, dampened |
| Multicolor | Having many colors | Colorful, varicolored, vibrant |
| Multicolored | Having many colors | Colorful, vibrant, varied |
| Multijugous | Having multiple ridges or folds | Ridge-like, folded, geological |
| Multilane | Having more than one lane | Road-based, wide, spacious |
| Multipurpose | Serving multiple functions | Versatile, adaptable, multifunctional |
| Mundane | Relating to the ordinary or commonplace | Ordinary, everyday, banal |
| Muscular | Having well-developed muscles | Strong, brawny, robust |
| Musical | Relating to music | Melodious, harmonious, tuneful |
| Mutant | Undergoing mutation | Changed, altered, transformed |
| Muted | Softened or subdued in sound or color | Subdued, softened, toned-down |
| Mutinous | Rebellious or disobedient | Rebellious, defiant, insurgent |
| Muzzy | Confused or hazy | Fuzzy, unclear, disoriented |
| Mysterious | Full of mystery or difficult to understand | Enigmatic, cryptic, puzzling |
| Mythical | Relating to myths or imaginary | Legendary, imaginary, fictitious |
| Mythologic | Relating to mythology | Mythical, legendary, folkloric |
| Mythological | Relating to or based on mythology | Mythic, legendary, folklore-based |
Frequently Asked Questions
What are some positive adjectives that start with M?
Some positive adjectives that start with M include magnificent, motivated, mindful, marvelous, and majestic.
What are some descriptive adjectives that start with M?
Descriptive adjectives that start with M include mysterious, melodious, magnetic, meticulous, and monumental.
How can adjectives starting with M improve my writing?
Using adjectives like mesmerizing, meaningful, and magnificent can add depth and expressiveness to your writing, making it more engaging and vivid.
What are some rare adjectives that start with M?
Some rare adjectives that start with M include mellifluous (sweet-sounding), meritorious (deserving reward), and mirthful (joyful and cheerful).
What is the meaning of ‘majestic’ as an adjective?
‘Majestic’ means having grandeur or beauty that inspires admiration. Example: 'The mountains looked majestic under the golden sunset.'
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