8 entries under irregular topic. ×
| forbidden(verb, adjective, restricted, unwarranted) | |
| banned(verb, adjective, adverb, restricted) | |
| proscribed(verb, adjective, unwarranted, illegal) | |
| taboo(adjective, adverb, offensive, unwarranted) | |
| verboten(adjective, unwarranted, criminal, illegitimate) | |
| outlawed(verb, adjective, adverb, unwarranted) | |
| illicit(adjective, adverb, unwarranted, legal) | |
| contraband(adjective, unwarranted, criminal, illegal) |
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| APA | Smart Define. (2015). prohibited thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/prohibited/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "prohibited thesaurus" https://smartdefine.org/prohibited/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, prohibited thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/prohibited/thesaurus/synonyms>. |
| MLA | Smart Define. "prohibited thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/prohibited/thesaurus/synonyms> |