OK

1 being to one's liking that dinner was OK, but I liked yesterday's better Synonyms agreeable, all right, alright, copacetic (also copasetic or copesetic), ducky, fine, good, hunky-dory, jake [slang], satisfactory (or okay), palatableRelated Words delectable, delicious, delightful, dreamy, felicitous, gratifying, nice, pleasant, pleasing, scrumptious, welcome; acceptable, adequate, decent, passable, tolerableNear Antonyms bad, deficient, inferior, lousy, poor, punk, substandard, unacceptable, wanting, wretched; mediocre, middling, second-class, second-rateAntonyms disagreeable, unsatisfactory

2 of a level of quality that meets one's needs or standards this latest draft of the essay is OK but could be better Synonyms acceptable, all right, decent, fairish, fine, good, adequate (or okay), passable, respectable, satisfactory, serviceable, tolerableRelated Words agreeable, bearable, endurable, sufferable; average, fair, indifferent, mediocre, middling, minimal; common, ordinary, run-of-the-mill, run-of-the-mine (or run-of-mine), second-rate, so-so; standard, unexceptional; appropriate, correct, due, fitting, meet, proper, right, seemly, suitable, useful, worthy; gratifying, satisfyingNear Antonyms disagreeable, disreputable, improper, indecent, objectionable, unfit, unsuitable, unworthy, useless, wrong; bad, cheap, defective, faulty, imperfect, incomplete, lamentable, pitiful, shoddy; dissatisfying; insufficient, meager (or meagre), mean, miserly, niggardly, poor, scanty, shabby, short, skimpy, spare, stingy; insufferable, intolerable, unbearable, unendurable; atrocious, execrable, miserable, vile, wretched; exceptional, exquisite, extreme, fancy, first-class, high-grade, matchless, maximized, maximum, optimal, optimum, peerless, preeminent, premium, special, supreme, unmatched, unparalleled; A1, bang-up, banner, boss [slang], capital, classic, crackerjack, dandy, divine, fabulous, fine, first-rate, grand, great, groovy, heavenly, jim-dandy, keen, marvelous (or marvellous), mean, neat, nifty, noble, par excellence, prime, sensational, splendid, stellar, sterling, superb, superior, superlative, supernal, swell, terrific, tip-top, top, top-notch, unsurpassed, wonderfulAntonyms deficient, inadequate, insufficient, lacking, unacceptable, unsatisfactory, wanting

1 in a satisfactory way you did OK on that last test Synonyms acceptably, adequately, all right, alright, creditably, decently, fine, good, middlingly, nicely, well (or okay), passably, respectably, satisfactorily, serviceably, so-so, sufficiently, tolerablyRelated Words appropriately, aptly, congruously, correctly, decorously, felicitously, fittingly, happily, meetly, rightly, seemly, suitably; gratifyingly, satisfyingly; effectively, effectually, efficiently, neatly, tidilyNear Antonyms unbearably; inappropriately, incorrectly, indecently, unsuitably; awfully, deplorably, disastrously, dreadfully, horrendously, horribly, horridly, miserably, terriblyAntonyms bad, badly, deficiently, ill, inadequately, insufficiently, intolerably, poorly, unacceptably, unsatisfactorily

2 used to express agreement OK, fine, I'll go to the party Synonyms all right, alright, aye (also ay), exactly, yes (or okay), okeydoke (or okeydokey), yea, yeah, yep, yoRelated Words absolutely, assuredly, certainly, indeed, indisputably, positively, undoubtedly, unquestionablyAntonyms nay, no, no way, scarcely

an acceptance of something as satisfactory our supervisor gave his OK on the project, so we can go ahead with it Synonyms approbation, blessing, favor, imprimatur, approval (or okay)Related Words backing, cachet, endorsement (also indorsement), finalization, formalization, homologation, nod, ratification, rubber stamp, sanction, support, thumbs-up, vote; benediction, goodwill; acceptation, accession, agreement, assent, concurrence, consent; countenance, liking, satisfactionNear Antonyms refusal, rejection, repudiation; dislike, dissatisfaction; censure, condemnation, criticism, denunciation, deprecation, depreciation, disparagement, opprobrium, reprehension, reproach, reprobationAntonyms disapprobation, disapproval, disfavor

1 to give official acceptance of as satisfactory a judge will have to OK the search warrant Synonyms accredit, approbate, authorize, clear, confirm, finalize, formalize, homologate, approve (or okay), ratify, sanction, warrantRelated Words accept, acknowledge, affirm; certify, endorse (also indorse), validate; bless, canonize, sanctify; initial, rubber-stamp, sign, sign off (on); allow, enable, legalize, license (also licence), pass, permit; reapproveNear Antonyms ban, enjoin, forbid, illegalize, interdict, prohibit, proscribe; disregard, ignore, neglect, overlook; rebuff, rebut, refuse, spurnAntonyms decline, deny, disallow, disapprove, negative, reject, turn down, veto

2 to have a favorable opinion of I'm glad that my friends OK'd my choice of girlfriend Synonyms accept, care (for), countenance, favor, approve (or okay), subscribe (to)Related Words acclaim, applaud, laud, praise, salute; back (up), concur (in), stand by, support, sustain, uphold; bear, endure, tolerate; assent (to), consent (to); commend, recommend; enjoy, likeNear Antonyms blacklist, censure, condemn, criticize, damn, denounce, deprecate, depreciate, disparage, reprehend, reprobate; dislike, mind; detest, hate, loathe; dissent (from), object (to), opposeAntonyms disapprove (of), discountenance, disfavor, frown (on or upon)