13 entries under outlawed topic. ×

22
verboten(adjective, allow, illegal, allowed, prohibited)
20
banned(verb, adjective, adverb, irregular, restricted)
16
taboo(adjective, adverb, allow, informal, irregular)
14
proscribed(verb, adjective, irregular, unwarranted, illegitimate)
8
out of bounds(expression, adjective, idiom, restricted, prohibited)
6
contraband(adjective, unlawful, prohibited, banned)
6
off limits(expression, adjective, idiom, offensive, permitted)
5
refused(verb, adjective, prohibited)
5
vetoed(adjective, prohibited)
4
closed(adjective, prohibited)
1
closed-down(adjective, prohibited)
1
closed-up(adjective, prohibited)
1
no-no(adjective, prohibited)
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APASmart Define. (2015). forbidden thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/forbidden/thesaurus/synonyms
ChicagoSmart Define. 2015. "forbidden thesaurus" https://smartdefine.org/forbidden/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, forbidden thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/forbidden/thesaurus/synonyms>.
MLASmart Define. "forbidden thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/forbidden/thesaurus/synonyms>