adjectives
not adequate to give satisfaction
"the coach told his players that defeat was unacceptable"
is similar to
not giving satisfaction
"shops should take back unsatisfactory goods"; "her performance proved to be unsatisfactory"; "life is becoming increasingly unsatifactory"; "our discussion was very unsatisfactory"
not acceptable; not welcome
"a word unacceptable in polite society"; "an unacceptable violation of personal freedom"
is similar to
liable to objection or debate; used of something one might take exception to
"a thoroughly unpleasant highly exceptionable piece of writing"; "found the politician's views objectionable"
see also
not giving satisfaction
"shops should take back unsatisfactory goods"; "her performance proved to be unsatisfactory"; "life is becoming increasingly unsatifactory"; "our discussion was very unsatisfactory"
see also
not welcome; not giving pleasure or received with pleasure
"unwelcome publicity"; "unwelcome interruptions"; "unwelcome visitors"
used of persons or their behavior
"impossible behavior"; "insufferable insolence"
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'"