SYN: Solely, singly, merely, simply, barely.
ANT: Among, amongst, together, collectively.
=
KEY: Onset, [See ATTACK].
=
KEY: Onslaught, [See ATTACK].
=
KEY: Onward.
SYN: Forward, ahead, in advance.
ANT: Backward, astorm, aback.
=
KEY: Ooze.
SYN: Distill, drop, drip, percolate, perspire, sweat, drain, leak, transude.
ANT: [See POULTICE], rush, flow, stream, disgorge.
=
KEY: Opaque, [See TRANSPARENT].
=
KEY: Open \v.\
SYN: Unclose, lay open, lay Dare expose, explain, disclose, initiate, begin, commence.
ANT: Close, shut up, conceal, inclose, mystify, misinterpret, conclude, cover.
=
KEY: Open \a.\
SYN: Accessible, free, available, unshut, unfolded, public, free, unrestricted, unreserved, unaffected, genuine, barefaced, undisguised, above-board, liberal, unclosed, candid, frank, ingenuous, unsettled, undetermined.
ANT: Inaccessible, closed, barred, unavailable, shut, close, secretive, reserved, settled, determined.
=
KEY: Opening.
SYN: Aperture, gap, opportunity, space, commencement, initiation, start, inauguration, hole, fissure, chink, beginning.
ANT: Occlusion, obstruction, stopgap, unreasonableness, contretemps, inopportuneness, enclosure, termination, close, end, conclusion.
=
KEY: Operate.
SYN: Act, work, produce, effect, produce an effect, have effect.
ANT: Cease, rest, fail, misoperate.
=
KEY: Operation.
SYN: Agency, action, exercise, production, influence, performance.
ANT: Cessation, inaction, rest, inoperativeness, inefficacy, inefficiency, misoperation.
=
KEY: Operative.
SYN: Active, efficacious, serviceable, binding.
ANT: Inefficacious, inoperative.
=
KEY: Operose.
SYN: Onerous, laborious, burdensome, tedious, wearisome, toilsome.
ANT: Light, unburdensome, stimulating, refreshing.
=
KEY: Opine.
SYN: Think, believe, conjecture, suppose, judge, surmise.
ANT: Know, ascertain, verify.
=
KEY: Opinion.
SYN: Conviction, view, judgment, notion, idea, impression, estimation, theory.
=
KEY: Opinionative.
SYN: Dictatorial, dogmatical, self-conceited, oracular.
ANT: Modest, diffident, inquiring, vacillating, cautious, undemonstrative.
=
KEY: Opponent, [See ADVERSARY].
=
KEY: Opportune.
SYN: Timely, seasonable, appropriate, felicitous, suitable, fit, meet, auspicious.
ANT: Inopportune, untimely, unseasonable, infelicitous.
=
KEY: Opportunity.
SYN: Occasion, turn, opening, convenience.
ANT: Inopportuneness, unseasonableness, lapse, omission, contretemps.
=
KEY: Oppose.
SYN: Withstand, resist, mutch, obstruct, confront, oppugn, bar, hinder, contravene, check, thwart.
ANT: Aid, abet, back, support, advance, expedite.
=
KEY: Opposition.
SYN: Resistance, hostility, obstacle, obstruction, [See ANIMOSITY].
=
KEY: Opposite.
SYN: Facing, adverse, repugnant, inconsistent, irreconcilable, contrary, antagonistic, counter, contradictory.
ANT: Agreeing, coincident, consentaneous.
=
KEY: Oppress.
SYN: Burden, grind, weigh down, persecute, aggrieve, maltreat, abuse, overbear, constrain.
ANT: Encourage, support, patronize, assist, befriend.
=
KEY: Oppression.
SYN: Cruelty, tyranny, severity, injustice, hardship.
ANT: Kindness, mercy, clemency, leniency, justice, [See TYRANNY].
=
KEY: Oppressive.
SYN: Heavy, overpowering, unjust, {[gaLLug]?}, extortionate, grinding.
ANT: light, just, compassionate, [See {[CBTJKL]?}].
=
KEY: Opprobrious.
SYN: Insulting, infamous, [See ABUSIVE].
=
KEY: Opprobrium.
SYN: Reproach, scandal, disgrace, obloquy, ignominy, odium, [See OBLOQUY and ODIUM].
=
KEY: Option.
SYN: Discretion, choice, preference, deliberation, wish, election.
ANT: Obligation, necessity, burden, compulsion.
=
KEY: Opulence.
SYN: Wealth, affluence, riches, fortune.
ANT: Poverty, indigence, impecuniosity.
=
KEY: Opulent.
SYN: Rich, well to do, moneyed, affluent, [See RICH].
=
KEY: Oracular, [See OPINIONATIVE].
=
KEY: Oral.
SYN: Unwritten, traditional, vocal, spoken, verbal.
ANT: Written, documentary.
=
KEY: Oration, [See COGITATE].
=
KEY: Oratory.
SYN: Eloquence, rhetoric, elocution, declamation.
ANT: Hesitation, tardiloquence, imperfection of speech.
=
KEY: Orb.
SYN: Sphere, circle, ball, globe.
=
KEY: Orbit.
SYN: Revolution, path, circuit, sphere.
ANT: Eccentricity, deviation, perturbation.
=
KEY: Ordain.
SYN: Set, appoint, decree, institute, prescribe, arrange, direct, regulate, dictate, establish.
ANT: Subvert, revoke, cancel, annul, disestablish, countermand.
=
KEY: Ordeal.
SYN: Test, trial, probation, experiment.
ANT: Argument, plea, discussion, Investigation, evidence.
=
KEY: Order \n.\
SYN: Arrangement, condition, sequence, direction, rank, grade, class, decree, succession, series, method, injunction, precept, command.
=
KEY: Order \v.\
SYN: Arrange, dispose, regulate, adjust, direct, command, classify, ordain, enjoin, prescribe, appoint, manage, [See ABRIDGMENT].
ANT: Disarrangement, confusion, unsettlement, inversion, execution, disorder.
=
KEY: Orderly.
SYN: Regular, equable, peaceable, methodical, quiet.
ANT: Irregular, disorderly, riotous.
=
KEY: Ordinance.
SYN: Statute, Institute, decree, law, edict, regulation, rule.
ANT: Custom, usage, prescription.
=
KEY: Ordinary.
SYN: Settled, wonted, conventional, plain, inferior, commonplace, humdrum, matter of fact.
ANT: Extraordinary, unusual, uncommon, superior, [See FUTILE].
=
KEY: Organic.
SYN: Fundamental, constitutional, radical.
ANT: Nonessential, circumstantial, contingent, provisional.
=
KEY: Organization.
SYN: Structure, form, construction.
ANT: Disorganization.
=
KEY: Organize.
SYN: Shape, adjust, constitute, frame, dispose, arrange, construct.
ANT: Distort, break up, annul, disorganize, dismember, disband.
=
KEY: Orifice.
SYN: Aperture, perforation, mouth, opening, hole, bung, bunghole.
ANT: Obstruction, stopper, plug, imperforation.
=
KEY: Origin.
SYN: Source, commencement, spring, cause, derivation, rise, beginning.
ANT: Termination, conclusion, extinction.
=
KEY: Original.
SYN: Primary, initiatory, primordial, peculiar, pristine, ancient, former, first.
ANT: Subsequent, terminal, modern, later, derivative.
=
KEY: Originate.
SYN: Commence, spring, rise, start, initiate, invent, create, cause to be made, proceed, emanate.
ANT: Prosecute, conduct, apply.
=
KEY: Ornament \n.\
SYN: Decoration, embellishment.
ANT: Disgrace, brand, disfigurement.
=
KEY: Ornament, [See ADORN].
=
KEY: Ornate.
SYN: Decorated, embellished, rich, high-wrought, ornamented.
ANT: Plain, chaste, nude, naked, bare, bald.
=
KEY: Orthodox.
SYN: Correct, sound, true.
ANT: Heretical, unorthodox.
=
KEY: Ostensible.
SYN: Avowed, pretended, declared, professed, manifest, visible, nominal, apparent, outward.
ANT: Real, genuine, concealed, unpretended, actual, veritable.
=
KEY: Ostentation.
SYN: Show, parade, display, flourish, pomp, vaunting, boasting.
ANT: Reserve, retirement, modesty, concealment, unobtrusiveness, quiet, diffidence.
=
KEY: Ostentations.
