- Definitions|2
- Thesaurus|938
- Abbreviations|0
possible profanity
| fiendish(adjective, animal, mean, kind, evil) | |
| atrocious(adjective, evil, harsh, terrible, wicked) | |
| devilish(adjective, animal, mean, kind, evil) | |
| hellish(adjective, kind, evil, harsh, unpleasant) | |
| cruel(adjective, evil, harsh, violent, terrible) | |
| evil(adjective, bad behavior, devilish, aroused negative) | |
| infernal(adjective, kind, evil, harsh, violent) | |
| satanic(adjective, kind, evil, vile, wicked) | |
| demonic(adjective, evil, dark, terrible, cruel) | |
| diabolic(adjective, kind, evil, cruel, wicked) | |
| vicious(adjective, wrong, evil, harsh, violent) | |
| demoniacal(adjective, evil, malevolence, crazed, bad behavior) | |
| wicked(adjective, evil, awful, terrible, rotten) | |
| savage(adjective, animal, mean, evil, violent) | |
| shameful(adjective, disgraceful, dishonorable, disreputable, reprehensible) | |
| beastly(adjective, evil, harsh, violent, wild) | |
| brutal(adjective, evil, harsh, violent, wild) | |
| inhuman(adjective, animal, evil, violent, wild) | |
| mephistophelian(adjective, wicked, demonic) | |
| demoniac(adjective, evil, harsh, violent, cruel) |
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Diabolical on
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| APA | Smart Define. (2016). diabolical thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/diabolical/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "diabolical thesaurus" https://smartdefine.org/diabolical/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, diabolical thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/diabolical/thesaurus/synonyms>. |
| MLA | Smart Define. "diabolical thesaurus" 24 March 2016. Web. 21 September 2026. <https://smartdefine.org/diabolical/thesaurus/synonyms> |