unsatisfactory; not acceptable
(linguistics) not conforming to accepted usage
Something that is not acceptable.
Not acceptable; not pleasing; not welcome; unpleasant; disagreeable; displeasing; offensive.
not adequate to give satisfaction;
‘the coach told his players that defeat was unacceptable’;
not acceptable; not welcome;
‘a word unacceptable in polite society’; ‘an unacceptable violation of personal freedom’;
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'’;