Dictionary

unacceptable

adjective un·ac·cept·able \ˌən-ik-ˈsep-tə-bəl, -ak-\

: not pleasing or welcome : not acceptable

Full 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

Rhymes with UNACCEPTABLE

UNACCEPTABLY Defined for Kids

unacceptable

adjective un·ac·cept·able \ˌən-ik-ˈsep-tə-bəl, -ak-\

Definition of UNACCEPTABLE for Kids

:  not pleasing or welcome :  not acceptable <unacceptable behavior>

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