89 entries under nasty topic. ×
| malign(adjective, evil, dark, negative) | |
| malignant(adjective, bad, evil, negative) | |
| baneful(adjective, evil, negative, malevolent) | |
| creepy(adjective, bad, awful, disgusting) | |
| dishonest(adjective, evil, false, corrupt) | |
| corrupt(adjective, evil, false, wicked) | |
| gloomy(adjective, hard, obscure, rough) | |
| injurious(adjective, bad, evil, harmful) | |
| portentous(adjective, black, menacing, baleful) | |
| unpropitious(adjective, mean, bad, wrong, evil) | |
| forbidding(adjective, person, appearance, rough) | |
| adverse(adjective, evil, harmful, injurious) | |
| hateful(adjective, person, mean, bad, wrong) | |
| dour(adjective, person, rough, dark) | |
| harmful(adjective, bad, evil, injurious) | |
| ill-boding(adjective, black, threatening, menacing) | |
| lowering(adjective, sorrow, depress, sadness) | |
| unfavorable(adjective, evil, threatening, menacing) | |
| poisonous(adjective, bad, evil, harmful) | |
| deleterious(adjective, bad, evil, harmful) |
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| APA | Smart Define. (2016). sinister thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/sinister/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "sinister thesaurus" https://smartdefine.org/sinister/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, sinister thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/sinister/thesaurus/synonyms>. |
| MLA | Smart Define. "sinister thesaurus" 3 April 2016. Web. 27 September 2026. <https://smartdefine.org/sinister/thesaurus/synonyms> |