- Definitions|2
- Thesaurus|1.5k
- Abbreviations|0
possible profanity
49 entries under evil topic. ×
| beastly(adjective, awful, terrible, rotten) | |
| demoniacal(adjective, malevolence, demon, vice) | |
| Mephistophelian(adjective, vile, wicked, demonic) | |
| brutish(adjective, violent, wild, fierce) | |
| depraved(adjective, wicked) | |
| nefarious(adjective, bad, wrong, nasty) | |
| unwarmhearted(noun, adjective, person, cruel) | |
| damnable(adjective, vile, wicked, irritating) | |
| impious(adjective, bad, wrong, nasty) | |
| mad(adjective, cruel, wicked, controlled) | |
| heartless(adjective, mean, bad, wrong) | |
| unhallowed(adjective, cruel, vile, wicked) | |
| baleful | |
| violent(adjective, nasty, wild, cruel) | |
| baneful | |
| insane(adjective, controlled, obsessed, crazed) | |
| possessed(adjective, desire, troubled, supernatural) | |
| serpentine(adjective, vile, wicked, crazed) | |
| uncanny(adjective, extraordinary, unusual, wonderful) | |
| unusual(adjective, extraordinary, wonderful, marvelous) |
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| APA | Smart Define. (2016). fiendish thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/fiendish/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "fiendish thesaurus" https://smartdefine.org/fiendish/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, fiendish thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/fiendish/thesaurus/synonyms>. |
| MLA | Smart Define. "fiendish thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/fiendish/thesaurus/synonyms> |