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"
not acceptable; not welcome; "a word unacceptable in polite society"; "an unacceptable violation of personal freedom"
not adequate to give satisfaction; "the coach told his players that defeat was unacceptable"
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'"
so extremely ugly as to be terrifying; "a hideous scar"; "a repulsive mask"
grossly offensive to decency or morality; causing horror; "subjected to outrageous cruelty"; "a hideous pattern of injustice"; "horrific conditions in the mining industry"