unacceptable
1. [ adjective ] not adequate to give satisfaction
Examples:

: "the coach told his players that defeat was unacceptable"

Related terms: unsatisfactory
2. [ adjective ] used of persons or their behavior
Synonyms: insufferable unsufferable impossible
Examples:

"impossible behavior" "insufferable insolence"

Related terms: intolerable
3. [ adjective ] (linguistics) not conforming to standard usage
Synonyms: unaccepted
Examples:

"the following use of `access' was judged unacceptable by a panel of linguists `You can access your cash at any of 300 automatic tellers'"

Related terms: linguistics nonstandard
4. [ adjective ] not acceptable; not welcome
Examples:

"a word unacceptable in polite society" "an unacceptable violation of personal freedom"

Related terms: acceptable intolerable exceptionable unsatisfactory unwelcome
Similar spelling:   unacceptably
  unchewable
  unaccepted
  unacceptability
  unexceptionable
  unachievable