- Definitions|2
- Thesaurus|797
- Abbreviations|0
179 entries under adjective topic. ×
| unethical(bad, wrong, corrupt, wicked) | |
| unscrupulous(bad, wrong, corrupt, dishonest) | |
| adulterine | |
| blameworthy(unreasonable, improper, unwarranted, prejudiced) | |
| disgraceful | |
| heavy(wrong, informal, senseless, illegitimate) | |
| indecorous | |
| off-color(corrupt, dishonest, crooked, unfair) | |
| offensive | |
| tabu | |
| terrible | |
| under the table(expression, permitted, illegitimate, unjustified) | |
| undeserved(unreasonable, improper, excessive, unwarranted) | |
| unsuitable(unreasonable, improper, unwarranted, unnecessary) | |
| untrue(wrong, fake, deceitful, worthless) | |
| villainous(wrong, wicked, criminal, unlawful) | |
| wildcat(wrong, senseless, illegitimate, unlawful) | |
| anathema(offensive, permitted, prohibited, unthinkable) | |
| back-door | |
| base(corrupt, wicked, unreasonable, dishonest) |
For more, visit
Illegal on
Power Thesaurus
| 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> |