74 entries under evil topic. ×
| fiendish(adjective, person, unwarmhearted) | |
| dishonest(adjective, nasty, false, corrupt) | |
| corrupt(adjective, nasty, false, wicked) | |
| injurious(adjective, bad, nasty, harmful) | |
| unpropitious(adjective, mean, bad, wrong) | |
| adverse(adjective, nasty, harmful, injurious) | |
| hateful(adjective, person, mean, bad, wrong) | |
| harmful(adjective, bad, nasty, injurious) | |
| inhumane(adjective, person, negative, behavior) | |
| sinful(adjective, wicked, injurious, damaging) | |
| unfavorable(adjective, nasty, threatening, menacing) | |
| unfriendly(adjective, person, negative, unwarmhearted) | |
| poisonous(adjective, bad, nasty, harmful) | |
| atrocious(adjective, awful, terrible, dreadful) | |
| deleterious(adjective, bad, nasty, harmful) | |
| heinous(adjective, vice) | |
| merciless(adjective, person, negative, behavior) | |
| satanic | |
| sullen(adjective, mean, bad, wrong) | |
| devilish |
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| APA | Smart Define. (2016). sinister thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/sinister/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "sinister thesaurus" https://smartdefine.org/sinister/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, sinister thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/sinister/thesaurus/synonyms>. |
| MLA | Smart Define. "sinister thesaurus" 3 April 2016. Web. 23 September 2026. <https://smartdefine.org/sinister/thesaurus/synonyms> |