| unprincipled(adjective, evil, dishonest, black) | |
| unscrupulous(adjective, evil, dishonest, black) | |
| villainous(adjective, evil, dishonest, black) |
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| APA | Smart Define. (2016). nice thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/nice/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "nice thesaurus" https://smartdefine.org/nice/thesaurus/antonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, nice thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/nice/thesaurus/antonyms>. |
| MLA | Smart Define. "nice thesaurus" 1 April 2016. Web. 26 September 2026. <https://smartdefine.org/nice/thesaurus/antonyms> |