unacceptable

un·ac·cept·able

adj \ˌən-ik-ˈsep-tə-bəl, -ak-\

Definition of UNACCEPTABLE

: not acceptable : not pleasing or welcome

— un·ac·cept·abil·i·ty \-ˌsep-tə-ˈbi-lə-tē\ noun

— un·ac·cept·ably \-ˈsep-tə-blē\ adverb

Examples of UNACCEPTABLE

1. a word that is unacceptable in formal English
2. Some of her ideas were unacceptable to other people.

First Known Use of UNACCEPTABLE

15th century

Related to UNACCEPTABLE

Synonyms: bastard, bush, bush-league, crummy (also crumby), deficient, dissatisfactory, ill, inferior, lame, lousy, off, paltry, poor, punk, sour, suboptimal, subpar, substandard, bad, unsatisfactory, wack [slang], wanting, wretched, wrong

Antonyms: acceptable, adequate, all right, decent, fine, OK (or okay), passable, respectable, satisfactory, standard, tolerable

Related Words: abysmal, atrocious, awful, bitchin' [slang], brutal, damnable, deplorable, detestable, disastrous, dreadful, execrable, gnarly [slang], horrendous, horrible, pathetic, stinky, sucky [slang], terrible, unspeakable; defective, faulty, flawed; egregious, flagrant, gross; bum, cheesy, coarse, common, crappy [slang], cut-rate, junky, lesser, low-grade, low-rent, mediocre, miserable, reprehensible, rotten, rubbishy, second-rate, shoddy, sleazy, trashy; abominable, odious, vile; useless, valueless, worthless; inadequate, insufficient, lacking, meager (or meagre), mean, miserly, niggardly, scanty, shabby, short, skimp, skimpy, spare, stingy; miscreant, scurrilous, villainous; counterfeit, fake, phony (also phoney), sham

Near Antonyms: classic, classical; A1, bang-up, banner, boss [slang], capital, choice, crackerjack, dandy, divine, excellent, exceptional, fabulous, fine, first-class, first-rate, grand, great, groovy, heavenly, high-test, jim-dandy, keen, marvelous (or marvellous), mean, neat, nifty, noble, par excellence, perfect, premium, prime, sensational, slick, splendid, stellar, sterling, superb, superior, superlative, supernal, swell, terrific, tip-top, top, top-notch, unsurpassed, wonderful; better, exceptional, fancy, high-grade, special, sufficient; average, borderline, fair, mediocre, middling, minimal, so-so, unexceptional; suitable, useful, worthy; gratifying, satisfying

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Rhymes with UNACCEPTABLE

imperceptible, insusceptible