unacceptable meaning and definition

UNACCEPTABLE adjective

Definition of unacceptable (adjective)

1. not adequate to give satisfaction
   • "the coach told his players that defeat was unacceptable"
2. not acceptable; not welcome
   • "a word unacceptable in polite society"; "an unacceptable violation of personal freedom"
   • antonym: acceptable
3. used of persons or their behavior
   • "impossible behavior"; "insufferable insolence"
   • synonyms: impossible, insufferable, unsufferable
4. not conforming to standard usage
   • "the following use of `access' was judged unacceptable by a panel of linguists; `You can access your cash at any of 300 automatic tellers'"
   • synonyms: unaccepted