Synonyms|272Antonyms|125|Broader|8Narrower|8Related|706

14 entries under permitted topic. ×

17
illegal(adjective, adverb, offensive, unreasonable, improper)
16
taboo(adjective, adverb, allow, informal, irregular)
6
off limits(expression, adjective, idiom, offensive)
6
unmentionable(adjective, offensive, prohibited, unspeakable)
5
restricted(verb, adjective, offensive, prohibited)
5
unacceptable(adjective, offensive, prohibited, unthinkable)
3
disapproved(verb, adjective, offensive, prohibited)
2
anathema(adjective, offensive, prohibited, unthinkable)
2
not allowed(expression, idiom, offensive, prohibited)
2
ruled out(expression, offensive, prohibited, unthinkable)
1
beyond the pale(expression, idiom, offensive, restricted)
1
unthinkable(adjective, offensive, prohibited, unmentionable)
0
frowned on(expression, offensive, prohibited, unthinkable)
0
reserved(offensive, prohibited, unthinkable, unmentionable)
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APASmart Define. (2015). forbidden thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/forbidden/thesaurus/synonyms
ChicagoSmart Define. 2015. "forbidden thesaurus" https://smartdefine.org/forbidden/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, forbidden thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/forbidden/thesaurus/synonyms>.
MLASmart Define. "forbidden thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/forbidden/thesaurus/synonyms>