120 entries under adjective topic. ×

6
out
6
pornographic(dirty, coarse, vulgar, indecent)
6
smutty(dirty, coarse, vulgar, indecent)
5
illicit
5
impermissible(allow, informal, forbidden)
5
indecorous
5
interdicted
5
offensive(illegal, unthinkable, unmentionable)
5
out of bounds(noun, expression, idiom, refusal)
5
rude
5
sacred
5
scandalous(coarse, vulgar, indecent, naughty)
5
unlawful
4
coarse(vulgar, indecent, lustful, lascivious)
4
gross(dirty, coarse, vulgar, indecent)
4
licentious(coarse, vulgar, indecent, lustful)
4
off-limits(adverb, offensive, prohibited, unthinkable)
4
reserved(permitted, allowed)
4
ribald(coarse, vulgar, indecent, naughty)
4
ruled out(verb, expression, phrasal verb, permitted)
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APASmart Define. (2015). taboo thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/taboo/thesaurus/synonyms
ChicagoSmart Define. 2015. "taboo thesaurus" https://smartdefine.org/taboo/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, taboo thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/taboo/thesaurus/synonyms>.
MLASmart Define. "taboo thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/taboo/thesaurus/synonyms>