10 entries under unthinkable topic. ×
| restricted(verb, adjective, offensive, permitted) | |
| unacceptable(adjective, offensive, permitted, unmentionable) | |
| disapproved(verb, adjective, offensive, permitted) | |
| off limits(expression, adjective, idiom, offensive, illegal) | |
| not allowed(expression, idiom, offensive, illegal, permitted) | |
| anathema(adjective, offensive, permitted, unmentionable) | |
| ruled out(expression, offensive, permitted, unmentionable) | |
| unmentionable(adjective, offensive, permitted) | |
| frowned on(expression, offensive, permitted, unmentionable) | |
| reserved(offensive, permitted, unmentionable) |
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| APA | Smart Define. (2015). prohibited thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/prohibited/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "prohibited thesaurus" https://smartdefine.org/prohibited/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, prohibited thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/prohibited/thesaurus/synonyms>. |
| MLA | Smart Define. "prohibited thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/prohibited/thesaurus/synonyms> |