unacceptable (adj.)not adequate to give satisfaction;
the coach told his players that defeat was unacceptable
unacceptable (adj.)not acceptable; not welcome;
a word unacceptable in polite society
an unacceptable violation of personal freedom
unacceptable (adj.)(used of persons or their behavior) not acceptable or reasonable;
unacceptable (adj.)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