19 entries under illegal topic. ×
| illegal(adjective, permitted, prohibition, sanctioned) | |
| illegitimate(adjective, legal, permitted, sanctioned) | |
| illicit(adjective, legal, forbidden, undueness) | |
| unsanctioned(adjective, permitted, pirate, sanctioned) | |
| unlawful(adjective, permitted, sanctioned, undueness) | |
| forbidden(adjective, unapproved) | |
| unlicensed(adjective, prohibition) | |
| unconstitutional(adjective, permitted, sanctioned, undueness) | |
| criminal | |
| felonious | |
| verboten | |
| wrongful(adjective, permitted, sanctioned) | |
| bootleg | |
| actionable | |
| lawless | |
| punishable | |
| taboo | |
| offensive | |
| unjust |
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| APA | Smart Define. (2015). unauthorized thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/unauthorized/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "unauthorized thesaurus" https://smartdefine.org/unauthorized/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, unauthorized thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/unauthorized/thesaurus/synonyms>. |
| MLA | Smart Define. "unauthorized thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/unauthorized/thesaurus/synonyms> |