- Definitions|2
- Thesaurus|1.9k
- Abbreviations|0
| cloven-footed(adjective, wicked, execrable, demonic, diabolical) | |
| contaminated(adjective, offensive, unpleasant, violent, wild) | |
| contemptuous | |
| creepy(adjective, dislike, disgusting, hate, yuck) | |
| cruel(adjective, wicked) | |
| crummy | |
| dastardly | |
| debauched(adjective, evil, corrupt, wicked, dishonest) | |
| demoniac(adjective, evil, vile, wicked, execrable) | |
| demonic(adjective, evil, terrible, vile, wicked) | |
| despisable(adjective, good) | |
| destructive(adjective, evil) | |
| dire | |
| distressing(adjective, wicked) | |
| double-dealing(adjective, corrupt, dishonest, immoral, rotten) | |
| duplicitous | |
| enormous | |
| evil-minded | |
| evildoer | |
| exploiting(adjective, dishonest, immoral, rotten, untrustworthy) |
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| APA | Smart Define. (2015). nefarious thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/nefarious/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "nefarious thesaurus" https://smartdefine.org/nefarious/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, nefarious thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/nefarious/thesaurus/synonyms>. |
| MLA | Smart Define. "nefarious thesaurus" 8 October 2015. Web. 22 September 2026. <https://smartdefine.org/nefarious/thesaurus/synonyms> |