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"
impossible: 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'"
(unacceptableness) unacceptability: unsatisfactoriness by virtue of not conforming to approved standards
This designation means that it is illegal to use a product as a substitute for an ODS in a specific end-use. For example, HCFC-141b is an unacceptable substitute for CFC-11 in building chillers. ...
condition in which a component is not operating as intended, indicating the need for implementing maintenance, upgrades, repairs, or further investigation; an unacceptable condition may or may not be a failure from a regulatory perspective; see also malfunction.
adj (e.g. bad behaviour) netolereblaLB
The world in general is an unacceptable place. The UN Commissioner for Human Rights said that certain Israeli actions constituted "foreseeable and unacceptable targeting of civilians. ...