Synonyms|230Antonyms|24|Broader|2Narrower|33Related|62

19 entries under permitted topic. ×

12
taboo(adjective, allowed, unspeakable)
8
forbidden(adjective, offensive, prohibited, unspeakable)
3
banned(adjective, offensive, prohibited, unthinkable)
3
outlawed(adjective, offensive, prohibited, unthinkable)
3
prohibited(adjective, offensive, unthinkable)
3
proscribed(adjective, offensive, prohibited, unthinkable)
2
out of bounds(expression, adjective, idiom, offensive)
2
unacceptable(adjective, offensive, prohibited, unthinkable)
1
anathema(adjective, offensive, prohibited, unthinkable)
1
illegal(adjective, offensive, prohibited, unthinkable)
1
off limits(expression, adjective, offensive, prohibited)
1
restricted(adjective, offensive, prohibited, unthinkable)
1
unthinkable(adjective, offensive, prohibited)
0
beyond the pale(expression, idiom, offensive, prohibited)
0
disapproved(offensive, prohibited, unthinkable)
0
frowned on(expression, offensive, prohibited, unthinkable)
0
not allowed(expression, offensive, prohibited, unthinkable)
0
reserved(offensive, prohibited, unthinkable)
0
ruled out(expression, offensive, prohibited, unthinkable)
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APASmart Define. (2015). unmentionable thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unmentionable/thesaurus/synonyms
ChicagoSmart Define. 2015. "unmentionable thesaurus" https://smartdefine.org/unmentionable/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, unmentionable thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unmentionable/thesaurus/synonyms>.
MLASmart Define. "unmentionable thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/unmentionable/thesaurus/synonyms>