oar, n. paddle, scull, spoon oar. Associated Words: rowlock, loom, blade, wash, oarlock.
oar-shaped, a. remiform.
oat grasses. Avena. Associated Words: avenaceous, oaten.
oath, n. adjuration, pledge, sworn promise; curse, profanity, swearing, expletive, blasphemy. Associated Words: juratory, profane, imprecate.
oath-breaking, n. perjury.
obedience, n. compliance, submission, subservience; dutifulness. Antonyms: disobedience, incompliance, defiance, revolt, insubordination.
obedient, a. submissive, tractable, deferential, subservient, compliant, dutiful, docile, amenable. Antonyms: unsubmissive, intractable, disobedient.
obelisk, n. Associated Words: pyramidion, monolithic, hieroglyphics.
obey, v. comply, submit to, heed, regard, be ruled by.
object, v. disapprove, oppose, demur, contravene, gainsay, except, cavil.
object, n. thing, article; goal, purpose, aim, motive, intent, design, target, butt, destination, view.
objection, n. exception, scruple, demurrer, cavil. Antonyms: approval, acquiescence.
objectionable, a. exceptionable, offensive, obnoxious, undesirable, displeasing.
objectless, a. aimless, desultory, purposeless, vague.
obligation, n. accountableness, responsibility, incumbency, duty, indebtedness; agreement, contract, stipulation, covenant, bond.
obligatory, a. binding, incumbent, imperative, coercive. Antonyms: optional, discretional.
oblige, v. constrain, obligate; please, gratify, accommodate, coerce, compel, necessitate, force.
obliging, a. complaisant, gracious, accommodating, affable, debonair, deferential, yielding.
obliterate, v. efface, erase, blot out, remove, destroy, expunge.
obliteration, n. extinction, erasure, effacement, removal.
oblivious, a. unmindful, unconscious, forgetful, heedless, disregardful.
obnoxious, a. subject, liable; offensive, odious, hateful, displeasing.
obscene, a. smutty, lewd, gross, indecent, immodest, indelicate, ribald.
obscenity, n. lewdness, smut, ribaldry, indecency, bawdiness, immodesty.
obscure, a. abstruse, vague, recondite, indefinite, ambiguous; humble, inglorious, mean, undistinguished; secluded, retired, remote; shaded, darkened.
obscure, v. darken, obfuscate, bedim, eclipse; involve, dissemble, disguise, confuse.
obscuring, n. obscuration, obscurity.
obscurity, n. ambiguity, vagueness; privacy, seclusion, retirement; darkness, obfuscation, obscuration.
obsequious, a. sycophantic, cringing, fawning, deferential, servile.
obsequiousness, n. sycophancy.
obsolete, a. disused, archaic, antiquated, unfashionable, old-fashioned.
obstacle, n. obstruction, barrier, impediment, hindrance, stumbling-block.
obstetrician, n. midwife, accoucheur.
obstetrics, n. tocology, midwifery.
obstinacy, n. incompliance, doggedness, perversity, obduracy, intractability, stubbornness.
obstinate, a. incompliant, intractable, mulish, perverse, dogged, contumacious, stubborn. Antonyms: amenable, yielding, tractable, submissive, compliant, obedient.
obstreperous, a. clamorous, vociferous, noisy, uproarious, boisterous.
obstruct, v. impede, oppose, retard, barricade, blockade, clog, interrupt, bar, restrain.
obstruction, n. obstacle, impediment, barrier, blockade, restraint.
obtain, v. gain, get, procure, acquire, win, attain, secure.
obtainable, a. procurable, attainable, accessible. Antonyms: unobtainable, unprocurable, unattainable, inaccessible.
obtrusive, a. officious, meddlesome, intrusive, forward. Antonyms: inobtrusive, retiring.
obvious, a. plain, evident, palpable, manifest, patent, self-evident.
occult, a. mystic, mystical, abstruse, recondite, secret, unrevealed.
occupant, n. occupier, tenant, holder, incumbent, possessor, lessee.
occupation, n. occupancy, tenure, incumbency; vocation, employment. See business.
occupational, a. vocational.
occupy, v. hold, keep, possess, fill; engage, absorb, employ, busy, monopolize.
ocean, n. main, deep. Associated Words: oceanic, interoceanic, doldrums, oceanography, oceanology, terrigenous, Oceanus, transoceanic.
odd, a. unmatched, single, uneven; singular, peculiar, unusual, unique, strange, quaint, extraordinary, queer, eccentric, whimsical, freakish, baroque, fantastic, nondescript, abnormal, bizarre, erratic, unconventional, curious, capricious; extra, remaining, additional, redundant, casual, supernumerary.
oddity, n. oddness, singularity; curiosity, nondescript, marvel, wonder.
odds, sing, and pl. advantage, preponderance, inequality, disparity; probability.
odds and ends. remnants, fragments, orts, culls, scraps.
odious, a. detestable, abominable, execrable, offensive, repulsive, hateful, loathsome.
odium, n. detestation, unpopularity, hatred, contempt, dislike, opprobrium.
odor, n. smell, aroma, fragrance, scent, redolence, perfume, savor; stink, stench, fetor. Associated Words: deodorize, deodorization, deodorant, deodorizer, antibromic, disinfectant, disinfect, disinfection, exhale, exhalation, effluvium, emanation.
odorless, a. inodorous, savorless, scentless.
odorous, a. odoriferous, fragrant, savory, aromatic, balmy, scented.
offal, n. refuse, waste, rubbish, garbage.
offend, v. displease, affront, provoke, mortify, exasperate, incense, wound, shock.
offender, n. delinquent, wrong-doer, trespasser, malefactor, culprit, criminal.
offense, n. crime, wrong, sin, outrage, indignity; displeasure, resentment, dudgeon, umbrage; misdemeanor, transgression, delinquency, trespass.
offensive, a. obnoxious, displeasing, noisome, distasteful, insolent, abusive, aggressive, assailant, fetid, disagreeable, opprobrious, scurrilous, fulsome.