| Term | Definition |
| mercenary | hired hand; freelancer, soldier of fortune, condottiere greedy, avaricious, acquisitive, grasping, rapacious |
| moot | arguable, disputable; questionable, doubtful; broach, raise, pose, put forward |
| morass | marsh, fen, quagmire |
| motley | polychrome, polychromatic, piebald; variegated, heterogeneous, miscellaneous |
| mundane | earthly, terrestrial; secular, temporal; material, physical; ordinary, prosaic, routine, commnplace, banal |
| myriad | multitudinous, multifarious, manifold, infinite |
| narcissistic | egotistic, egoistic, egomaniacal, self-centered, conceited, vain |
| nomadic | itinerant, migratory, peripatetic |
| nominal | titular; token, symbolic; trifling, inconsequential |
| nostalgia | yearning, pining, hankering; wistfulness,sadness, sentimentality, sorrow, regret; lonesomeness |
| novice | postulant; neophyte, tyro, fledgling, trainee, rookie, probationer, greenhorn, tenderfoot |
| nuance | subtlety, nicety, overtone, gradation, refinement, delicacy |
| nebulous | amorphous, opaque, shapeless, fuzzy, indefinite |
| negligible | insignificant, inconsequential, trivial, piddling, trifling, nugatory |
| nepotism | partisanship, bias, partiality, patronage |