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.
offer, v. tender, proffer, propose, propound, volunteer, bid; immolate, sacrifice.
offer, n. tender, proposition, bid, overture, proffer.
offering, n. overture, proposition, bid; sacrifice, oblation; offertory; corban.
offhand, a. extemporaneous, impromptu, improvised, unstudied.
office, n. duty, function, service, work, charge, trust, business.
office-holder, n. officer, official, functionary, placeman.
officer, n. office-holder, magistrate, dignitary, incumbent.
officially, adv. ex-officio.
officious, a. meddlesome, intrusive, obtrusive, pragmatical, impertinent.
offscouring, n. refuse, scum, offscum, recrement, dross, trash, waste.
offset, n. set-off, counterbalance, equivalent.--v. counterbalance, counterpoise.
offspring, n. children, issue, progeny, posterity, descendants.
often, adv. frequently, repeatedly, oftentimes, ofttimes. Antonyms: seldom, infrequently.
oil, v. lubricate.
oiliness, n. lubricity, unctuousness, unctuosity, oleosity, glibness.
oil-producing, a. oleiferous.
oilstone, n. hone.
oily, a. unctuous, oleaginous, emulsive, lubricous; glib, fluent, plausible.
ointment, n. unguent, embrocation, salve.
old, a. aged, elderly, senescent, decrepit, venerable, patriarchal, superannuated, senile; former, pre-existing, preceding, ancient, archaic, antique, antiquated, olden, time-honored, traditional, immemorial, primitive, primordial, primeval, pristine, fossil; dilapidated, decayed, effete; practiced, veteran, experienced; sensible, astute, shrewd, sagacious.
old age. senility, dotage, superannuation, decrepitude. Associated words: geratology, geratic, gerontic.
old-fashioned, a. antiquated, archaic, passé, antique, obsolete, fogram, frumpish.
old-fashioned word. archaism.
old maid. spinster.
old man. veteran, patriarch, Nestor, elder, oldster, Methuselah, dotard; gaffer, crone, geezer; centenarian, octogenarian, sexagenarian, nonagenarian.
old-time, a. late, former, quondam.
old woman. beldame, crone, gammer; witch, hag, harridan.
old-womanish, a. anile.
old-womanishness, n. anility.
omen, n. foretoken, sign, augury, portent, presage, prognostic, auspice.
ominous, a. portentous, monitory, premonitory, threatening.
omission, n. default, oversight, neglect, pretermission, omittance, non-performance.
omit, v. leave out, slap, pretermit, disregard, neglect, overlook, ignore, delete.
omittance, n. omission, forbearance, default, neglect, oversight.
omnipresence, n. ubiquity.
omnipresent, n. ubiquitous.
one, n. unit. Associated words: unify, unity, unification, numerary.
one after the other. seriatim; tandem; alternately, consecutively.
one hundred years. century, centenary. Associated words: centenarian, centennial.
one letter. Associated word: uniliteral.
on end. erect, perpendicular, upright.
oneness, n. unity, singleness, individuality, unanimity.
onerous, a. laborious, difficult, arduous.
one-sided, a. unilateral; partial, unfair, inequitable, ex parte.
one year. Associated words: annual, annually.
on horseback. mounted.
onion, n. (that does not bottom out) scallion, eschallot, shallot. Associated words: alliaceous, cepaceous, leek, allium, garlic.
onlooker, n. looker-on, bystander, spectator, beholder, witness, eye-witness.
on tap. broached, abroached.
on the sly. (Collog.) sly, covertly, furtively, clandestinely, surreptitiously, secretly.
ooze, v. filter, exude, percolate, transude, seep.
oozing, n. percolation, filtering, exudation, distillation, transudation.
opalescence, n. iridescence.
opalescent, a. iridescent.
opaque, a. intransparent; (Colloq.) obscure, unintelligible.
open, a. accessible, clear, unobstructed, unrestricted; ajar, unlocked; extended, expanded, spread, gaping, yawning, unfolded, dehiscent; frank, unreserved, candid, ingenuous, guileless, overt, undisguised; generous, liberal, bounteous, open-handed; revealed, patent, manifest; unsettled, undetermined, debatable, undecided, controvertible; mild, clement; free, disengaged, unappropriated, unemployed.
open, v. spread, expand, unfold, evolve; reveal, disclose; unclose, unlock, unfasten; begin, commence; dehisce.
open-air, a. outdoor, al-fresco.
opening, a. beginning, introductory, initiatory, preliminary.
opening, n. aperture, fissure, gap, orifice, rift, chasm, hiatus, rent; beginning, introduction, outset; vacancy.
openly, adv. publicly, unreservedly, candidly.
open-mouthed, a. gaping, yawning; greedy, clamorous, ravenous, rapacious, eager.
opiate, n. narcotic, anodyne, sedative, dormitive, soporific.
opiate, a. somniferous, narcotic, anodyne, sedative, soporiferous, dormitive.
opinion, n. belief, judgment, impression; decision, ruling, verdict, sentence.
opium, n. Associated words: narcotic, opiate, chandoo, thebaine, narcotine, codeine, dope, meconism, meconology, meconophagism, meconophagist, opiophagism.
opponent, n. adversary, antagonist, rival, competitor.
opportune, a. timely, seasonable, apropos, felicitous, appropriate.
oppose, v. combat, resist, confront, withstand, oppugn, impugn, contend, antagonize, contravene, discountenance, gainsay, contradict. Antonyms: yield, acquiesce, concur, agree.
opposer, n. opponent, antagonist.
opposing, a. conflicting, antagonistic, contending, opposite, adverse.
opposite, n. antithesis, counterpart, antipodes.
opposite, a. contrary, adverse, diametrical, antagonistic, inverse, reverse, contradictory, counter, incompatible, antithetic, antipodal, inconsistent.
opposition, n. resistance, counteraction, hostility, repulse, rebuff, recalcitration, counterview, antagonism, contradiction, obstacle, impediment, obstruction. Antonyms: acquiescence, non-resistance, concurrence, agreement.
oppress, v. burden, overwhelm, aggrieve, tyrannize, persecute, overpower.
oppression, n. tyranny, persecution, extortion, hardship, severity.
oppressive, a. rigorous, tyrannical, extortionate, burdensome.
oppressor, n. tyrant, persecutor, extortioner.
option, n. choice, preference, election, discretion, alternative. Antonyms: constraint, coercion, compulsion.