85 entries under expression topic. ×

6
off limits(adjective, idiom, adverb, offensive)
5
out of bounds(noun, adjective, idiom, refusal)
4
forbidden fruit(noun, idiom, indulgence, prohibition)
4
rule out(verb, stop, decline, reject)
4
ruled out(verb, adjective, phrasal verb, permitted)
4
shut out(verb, adjective, phrasal verb, stop)
2
count out(reject, bar, exclude)
2
frowned on(verb, adjective, phrasal verb, offensive)
2
hold up(verb, stop, decline, reject)
2
index expurgatorius(idiom, prohibition)
2
leave out(reject, bar, exclude)
2
of impossible feats by tricks abracadabra(idiom, power, illusion, fascination)
2
pass over(reject, bar, exclude)
2
religious convention(noun, idiom, permitted, allowed)
2
ruling out(ban, exclusion, proscription)
2
say no to(verb, idiom, decline, reject)
2
social convention(noun, idiom, permitted, allowed)
1
beyond the pale(adjective, idiom, offensive, permitted)
1
black art(noun, power, supernatural, magic)
1
bottle up(restrain, halt, block, bar)
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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>