Definition of


  1. (adj, all) not adequate to give satisfaction
  2. (adj, all) not acceptable; not welcome
    an unacceptable violation of personal freedom
  3. (adj, all) used of persons or their behavior
    insufferable insolence
  4. (adj, all) not conforming to standard usage

via WordNet, Princeton University

Synonyms of Unacceptable

impossible, insufferable, unaccepted, unsufferable

Antonyms of Unacceptable


Alternate forms of Unacceptable

Derivations: unacceptability, unacceptableness

Origin of the word Unacceptable

  1. late 15c., from un- (1) "not" + acceptable. more

via Online Etymology Dictionary, ©2001 Douglas Harper

Words that sound like Unacceptable

unacceptably, unsubduable, unsusceptible

via soundex() Hash Matches

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