10 entries under unthinkable topic. ×

9
restricted(verb, adjective, offensive, permitted)
5
unacceptable(adjective, offensive, permitted, unmentionable)
4
disapproved(verb, adjective, offensive, permitted)
4
off limits(expression, adjective, idiom, offensive, illegal)
3
not allowed(expression, idiom, offensive, illegal, permitted)
2
anathema(adjective, offensive, permitted, unmentionable)
2
ruled out(expression, offensive, permitted, unmentionable)
2
unmentionable(adjective, offensive, permitted)
0
frowned on(expression, offensive, permitted, unmentionable)
0
reserved(offensive, permitted, unmentionable)
11 years ago|10k views|share |citing 
APASmart Define. (2015). prohibited thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/prohibited/thesaurus/synonyms
ChicagoSmart Define. 2015. "prohibited thesaurus" https://smartdefine.org/prohibited/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, prohibited thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/prohibited/thesaurus/synonyms>.
MLASmart Define. "prohibited thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/prohibited/thesaurus/synonyms>