5
offensive(adjective, illegal, unthinkable, unmentionable)
5
out of bounds(noun, expression, adjective, idiom, refusal)
5
prevention(noun, ban, veto, exclusion, forbidding)
5
rude
5
sacred(adjective, forbidden)
5
sanction(noun, bar, ban, veto, permitted)
5
scandalous(adjective, coarse, vulgar, indecent, naughty)
5
unlawful(adjective, illegal)
4
check(noun, verb, stop, decline, reduce)
4
block(noun, verb, stop, decline, reject)
4
blue(adjective, coarse, vulgar, indecent, lustful)
4
coarse(adjective, vulgar, indecent, lustful, lascivious)
4
disapproval(noun, permitted, allowed)
4
forbidden fruit(noun, expression, idiom, indulgence, prohibition)
4
gross(adjective, dirty, coarse, vulgar, indecent)
4
licentious(adjective, coarse, vulgar, indecent, lustful)
4
off-limits(adjective, adverb, offensive, prohibited, unthinkable)
4
regulation(noun, permitted, allowed)
4
reject(verb, decline, refuse, bar, cancel)
4
repress
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APASmart Define. (2015). taboo thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/taboo/thesaurus/synonyms
ChicagoSmart Define. 2015. "taboo thesaurus" https://smartdefine.org/taboo/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, taboo thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/taboo/thesaurus/synonyms>.
MLASmart Define. "taboo thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/taboo/thesaurus/synonyms>