unaccepted
1. [ adjective ] (linguistics) not conforming to standard usage
Synonyms: unacceptable
Examples:

"the following use of `access' was judged unacceptable by a panel of linguists `You can access your cash at any of 300 automatic tellers'"

Related terms: linguistics nonstandard
Similar spelling:   unacceptable
  unspaced
  unacceptably
  unswept