89 entries under nasty topic. ×
| ominous(adjective, person, appearance, mean, bad) | |
| evil(adjective, mean, bad, wrong, evil) | |
| malevolent(adjective, person, mean, bad, wrong) | |
| malicious(adjective, person, mean, bad, wrong) | |
| wicked(adjective, mean, bad, wrong, evil) | |
| foreboding(adjective, person, appearance, mean, bad) | |
| threatening(adjective, person, mean, bad, wrong) | |
| bad(adjective, evil, awful, corrupt) | |
| disastrous(adjective, black, threatening, injurious) | |
| baleful(adjective, sorrow, awful, terrible) | |
| dire(adjective, evil, awful, black) | |
| unlucky(adjective, evil, sad, unhappy) | |
| pernicious(adjective, bad, evil, corrupt) | |
| spiteful(adjective, person, evil, rough) | |
| dark(adjective, evil, obscure, rough) | |
| inauspicious(adjective, black, threatening, menacing) | |
| mean(adjective, person, evil, harsh) | |
| unkind(adjective, person, mean, bad, wrong) | |
| unfortunate(adjective, evil, sad, unhappy) | |
| vindictive(adjective, person, evil, negative) |
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| APA | Smart Define. (2016). sinister thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/sinister/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "sinister thesaurus" https://smartdefine.org/sinister/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, sinister thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/sinister/thesaurus/synonyms>. |
| MLA | Smart Define. "sinister thesaurus" 3 April 2016. Web. 26 September 2026. <https://smartdefine.org/sinister/thesaurus/synonyms> |