| forbidden(verb, adjective, irregular, restricted, unwarranted) |
| banned(verb, adjective, adverb, irregular, restricted) |
| illegal(adjective, adverb, offensive, permitted, illegitimate) |
| proscribed(verb, adjective, irregular, unwarranted, illegal) |
| taboo(adjective, adverb, offensive, irregular, unwarranted) |
| verboten(adjective, irregular, unwarranted, criminal, illegitimate) |
| outlawed(verb, adjective, adverb, irregular, unwarranted) |
| illicit(adjective, adverb, irregular, unwarranted, legal) |
| barred(verb, adjective, excluded) |
| disallowed(verb, adjective, excluded) |
| restricted(verb, adjective, offensive, permitted, unthinkable) |
| interdicted(verb, adjective) |
| tabu |
| unlawful(adjective, illegality) |
| contraband(adjective, irregular, unwarranted, criminal, illegal) |
| forbade(verb, excluded) |
| out |
| precluded(verb, adjective) |
| excluded(verb, adjective, excluded) |
| denied(verb, adjective, excluded) |