'Unacceptable' definitions:

Definition of 'unacceptable'

From: WordNet
adjective
Not adequate to give satisfaction; "the coach told his players that defeat was unacceptable"
adjective
Not acceptable; not welcome; "a word unacceptable in polite society"; "an unacceptable violation of personal freedom" [ant: acceptable]
adjective
Used of persons or their behavior; "impossible behavior"; "insufferable insolence" [syn: impossible, insufferable, unacceptable, unsufferable]
adjective
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'" [syn: unacceptable, unaccepted]

Definition of 'Unacceptable'

From: GCIDE
  • Unacceptable \Un`ac*cept"a*ble\, a. Not acceptable; not pleasing; not welcome; unpleasant; disagreeable; displeasing; offensive. -- {Un`ac*cept"a*ble*ness}, n. -- {Un`ac*cept"a*bly}, adv. [1913 Webster]