- Definitions|2
- Thesaurus|797
- Abbreviations|0
179 entries under adjective topic. ×
| black-market(illegitimate, pirate, unlawful, prohibited) | |
| dirty(bad, wrong, corrupt, vicious) | |
| evil | |
| extralegal(illegitimate, unlawful, prohibited, illicit) | |
| false(wrong, fake, deceitful, worthless) | |
| incorrect | |
| unwarrantable(wrong, unreasonable, improper, excessive) | |
| wicked(wrong, corrupt, unreasonable, dishonest) | |
| aberrant | |
| abominable | |
| against the law(expression, idiom, wrong, illegitimate) | |
| corrupt(bad, wrong, vicious, wicked) | |
| flawed | |
| misbegotten(illegitimate, illicit) | |
| off-limits(adverb, prohibited, not) | |
| off limits(expression, adverb, offensive, permitted) | |
| out of bounds(expression, idiom, offensive, permitted) | |
| shameful(unreasonable, improper, unwarranted, prejudiced) | |
| sinful | |
| smuggled |
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| APA | Smart Define. (2015). illegal thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/illegal/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "illegal thesaurus" https://smartdefine.org/illegal/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, illegal thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/illegal/thesaurus/synonyms>. |
| MLA | Smart Define. "illegal thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/illegal/thesaurus/synonyms> |