Definition for Unacceptable:

• not acceptable; not welcome; " a word unacceptable in polite society"; " an unacceptable violation of personal freedom"

Synonyms for Unacceptable:

• adj.

  •bad (adjective)
  • unpleasant.
  •dissatisfactory (adjective)
  • insufficient,
  • lame.
  •inferior (adjective)
  • substandard.
  •not suitable or satisfactory (adjective)
  • ill-favored,
  • won't do,
  • objectionable,
  • exceptionable,
  • undesirable,
  • offensive,
  • displeasing,
  • uninviting,
  • repugnant,
  • unappealing,
  • obnoxious,
  • lousy,
  • damaged,
  • unwelcome,
  • unpleasant,
  • reject,
  • below par,
  • half-baked,
  • unsatisfactory,
  • unwanted,
  • disagreeable,
  • insupportable,
  • improper,
  • inadmissible,
  • not up to snuff,
  • distasteful.
  •objectionable (adjective)
  • objectionable,
  • exceptionable.
  •unacceptable (adjective)
  • inappropriate,
  • deficient,
  • intolerable,
  • inferior,
  • inadmissible,
  • insufficient,
  • untenable,
  • inadequate,
  • unsatisfactory,
  • unsuitable.
  •unwelcome (adjective)
  • undesired,
  • unwished-for,
  • unwelcome.

• n.

  •
  • undesirable,
  • unwelcome,
  • unwanted,
  • ill-favored.
  •unacceptable (noun)
  • insufferable,
  • unaccepted,
  • unsufferable,
  • objectionable,
  • nonstandard,
  • exceptionable,
  • impossible,
  • intolerable.

• Other synonyms:

  •
  • unwanted,
  • unwelcome,
  • ill-favored.
  •objectionable
  • objectionable,
  • undesirable.
  •unendurable
  • unbearable.
  •Other relevant words:
  • indecent,
  • anathema,
  • Illaudable,
  • uninviting,
  • persona non grata,
  • banned,
  • offensive,
  • unthinkable,
  • obnoxious,
  • unpopular,
  • ludicrous,
  • hurtful,
  • ineligible,
  • below par,
  • impracticable,
  • restricted,
  • poor,
  • insufferable,
  • dirty,
  • reject,
  • unpleasing,
  • unappealing,
  • abnormal,
  • improper,
  • bitter,
  • peculiar,
  • substandard,
  • barred,
  • unallowed,
  • inapt,
  • defective,
  • distasteful,
  • not on,
  • suboptimal,
  • unsuited,
  • impolitic,
  • ill-favored,
  • inhospitality,
  • bumbling,
  • pale,
  • laughable,
  • Dolorific,
  • lame,
  • not up to snuff,
  • wrong,
  • exceptionable,
  • Discommendable,
  • lacking,
  • damaged,
  • censored,
  • rotten,
  • unmentionable,
  • inefficient,
  • half-baked,
  • mediocre,
  • unlawful,
  • out of place,
  • unattainable,
  • indefensible,
  • unpleasant,
  • amateurish,
  • painful,
  • shoddy,
  • flawed,
  • Unagreeable,
  • inexpedient,
  • unprofessional,
  • unallowable,
  • uninvited,
  • weak,
  • nonstandard,
  • unbidden,
  • hurting,
  • disliked,
  • disappointing,
  • unsavoury,
  • hideous,
  • out,
  • incorrect,
  • bad,
  • unaccepted,
  • outlawed,
  • unimaginable,
  • absurd,
  • censorable,
  • shocking,
  • illogical,
  • ill,
  • impermissible,
  • shabby,
  • unqualified,
  • wanting,
  • unusual,
  • wretched,
  • unbearable,
  • objectionable,
  • repugnant,
  • wrong-headed,
  • second-rate,
  • ridiculous,
  • unseemly,
  • unbecoming,
  • strange,
  • awful,
  • undesired,
  • thankless,
  • third-rate,
  • unlikely,
  • crappy,
  • unattractive,
  • bizarre,
  • Uncommendable,
  • ill-considered,
  • lousy,
  • irregular,
  • beyond the pale,
  • sorry,
  • rude,
  • criticizable,
  • taboo,
  • unwanted,
  • questionable,
  • tasteless,
  • unacceptably,
  • disagreeable,
  • unsufferable,
  • misguided,
  • unpalatable,
  • uncongenial,
  • unwished-for,
  • unspeakable,
  • impossible,
  • improbable,
  • insupportable,
  • displeasing,
  • faulty,
  • dolorous,
  • unfitting,
  • disputable,
  • illicit,
  • unasked,
  • indecorous,
  • won't do,
  • explicit,
  • unworthy,
  • low-grade,
  • imperfect,
  • impolite,
  • inconceivable,
  • verboten,
  • dissatisfactory,
  • off,
  • bush,
  • imprudent,
  • slipshod,
  • forbidden,
  • inapplicable,
  • illegal,
  • tabu,
  • unwelcome,
  • undesirable,
  • weird,
  • too much,
  • unsound,
  • proscribed,
  • Interdicted,
  • not allowed,
  • incongruous,
  • unsupportable,
  • prohibited,
  • Disallowed,
  • vile,
  • censurable,
  • unfit,
  • preposterous,
  • unendurable,
  • infelicitous,
  • WACK.

Antonyms for Unacceptable:

• adj.

  • all
    acceptable.
  • not suitable or satisfactory
    agreeable, good, satisfactory, ok, desirable, appropriate, acceptable, nice, pleasant, pleasing, suitable.
  • Other antonyms:
    great, noble, superb, fabulous, gratifying, mean, dandy, minimal, high-grade, divine, better, perfect, capital, wonderful, nifty, sensational, splendid, borderline, grand, exceptional, premium, stellar, fancy, superlative, top, useful, special, unexceptional, swell, supernal, first class, satisfying, slick, A1, jim-dandy, classical, first-rate, terrific, sterling, superior, par excellence, heavenly, groovy, neat, classic, tip-top, marvelous, average, top-notch, excellent, prime, sufficient, received, keen, respectable, crackerjack, banner, boss.