5
refused(verb, adjective, prohibited, outlawed)
5
rejected(verb, adjective, prohibited, excluded)
5
restricted(verb, adjective, offensive, permitted, prohibited)
5
unacceptable(adjective, offensive, permitted, prohibited, unthinkable)
5
untouchable(adjective, taboo)
5
vetoed(adjective, prohibited, outlawed)
4
denied(verb, adjective, prohibited, excluded)
4
forbade(verb, prohibited, excluded)
4
forbid
4
illegitimate(adjective, illegal)
4
closed(adjective, prohibited, outlawed)
4
controlled(verb, adjective, prohibited)
4
felonious(adjective, illegal)
4
foul
4
off-limits(adjective, adverb, prohibited, not)
4
unlicensed(adjective, illegal)
4
wrongful(adjective, illegal)
3
ban(noun, prohibition)
3
bootleg(adjective, illegal)
3
disapproved(verb, adjective, offensive, permitted, prohibited)
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APASmart Define. (2015). forbidden thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/forbidden/thesaurus/synonyms
ChicagoSmart Define. 2015. "forbidden thesaurus" https://smartdefine.org/forbidden/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, forbidden thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/forbidden/thesaurus/synonyms>.
MLASmart Define. "forbidden thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/forbidden/thesaurus/synonyms>