Adjectives that begin with the letter M are listed in this post.
macho, macroeconomic, mad, madcap, maddening, magenta, magic, magical, magnetic, magnificent, mahogany-manteled, maiden, mail-order, main, mainframe, mainland, majestic, major, major-league, makeshift, malaysian, male, male-dominated, male-only, malicious, malignant, mammalian, mammary, mammoth, manageable, managed-care, managerial, mandatory, manhattan-based, manic, manifest, manila-based, manipulative, man-made, mannered, manual, many, maoist-style, maple, marathon, marginal, marine, marital, maritime, marked, marketable, market-driven, market-moving, market-opening, market-oriented, market-share, married, martial, martian, marvelous, marxist, marxist-leninist, masculine, mass, mass-audience, massive, mass-market, masterly, material, materialistic, mathematical, matinee, mature, maudlin, maximum, maximum-security, mayan, mayoral
meager, mean, meaner, meaningful, meaningless, mean-spirited, measly, measurable, meat-packing, meat-processing, mechanical, median, medical, medicinal, medieval, mediocre, medium, medium-size, medium-sized, medium-term, mega, melancholy, mellifluous, mellow, melodic, melodious, memorable, menacing, menial, menstrual, mental, mercenary, mercurial, mere, merger-related, merry, messier, messy, metallic, metallurgical, metaphorical, metaphysical, meteoric, meteorological, methodical, meticulous, metric, metropolitan, mexican, mexico-based
miami-based, micro, microbial, microscopic, mid, mid-afternoon, mid-atlantic, middle, middle-age, middle-aged, middle-class, middle-ground, middle-income, middle-of-the-road, middling, mideast, midlevel, midrange, midsize, mid-size, midsized, mid-sized, midterm, mid-term, mid-to-late, midtown, midweek, midwest, midwestern, mighty, migrant, mild, milder, mild-mannered, mile-long, militant, military, military-backed, milky, miller, million-a-year, million-dollar, million-member, million-plus, million-square-foot, mimetic, minced, mind-boggling, mindful, mindless, mind-numbing, mine, miniature, minimal, minimalist, minimum, ministerial, minor, minority-owned, minuscule, minute, miraculous, misbegotten, miscellaneous, mischievous, miserable, miserly, misguided, misleading, missing, missionary, mixed
mobile, mock, moderate, moderate-income, modern, modern-day, modernist, modest, modular, moist, molecular, mom-and-pop, momentary, momentous, monetary, moneyed, money-lending, money-losing, moneymaking, money-making, money-winning, monied, monochromatic, monochrome, monolithic, monopolistic, monstrous, monthlong, month-long, monthly, month-old, months-long, montreal, montreal-based, monumental, moody, moot, moral, moralistic, moralizing, morbid, more, moribund, mortal, mortgage-backed, moshu, most, mostly, most-watched, motionless, motivated, mourned
much, much-awaited, much-criticized, much-lauded, much-needed, much-talked-about, muddy, muggy, multibillion, multibillion-dollar, multifaceted, multifamily, multilateral, multilayered, multilingual, multimillion, multi-million, multimillion-dollar, multinational, multiple, multipurpose, multi-purpose, multi-valve, multiyear, multi-year, mum, mundane, municipal, murderous, murkier, murky, muscular, museum-quality, mushy, musical, mutant, mute, mutinous, mutual, mutual-fund, muzzling
myriad, mysterious, mystical, mythic, mythical, mythological
Married
Maniacal
Magnanimous
Misplaced
Middle-class