- Definitions|2
- Thesaurus|885
- Abbreviations|0
possible profanity
| infernal(adjective, kind, evil, vile, wicked) | |
| fiendish(adjective, kind, unusual, wonderful, marvelous) | |
| satanic(adjective, kind, evil, wicked, deceitful) | |
| devilish(adjective, kind, evil, vile, wicked) | |
| hellish(adjective, kind, evil, malevolence, vice) | |
| demonic(adjective, evil, vile, wicked, devilish) | |
| wicked(adjective, evil, devilish, fiendish) | |
| evil(adjective, inexpedience) | |
| mephistophelian(adjective, evil, vile, wicked, fiendish) | |
| malevolent(adjective, inexpedience, devilish) | |
| diabolical(adjective, kind, evil, cruel, wicked) | |
| impious(adjective, evil, vile, wicked, immoral) | |
| demoniac(adjective, evil, unusual, wonderful, marvelous) | |
| iniquitous(adjective, wicked, immoral, deceitful, contrary) | |
| bad(adjective, evil, wicked, immoral, sinful) | |
| sinful | |
| atrocious(adjective, evil, fiendish) | |
| corrupt | |
| monstrous(adjective, evil, fiendish) | |
| vile(adjective, evil, fiendish) |
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| APA | Smart Define. (2015). diabolic thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/diabolic/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "diabolic thesaurus" https://smartdefine.org/diabolic/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, diabolic thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/diabolic/thesaurus/synonyms>. |
| MLA | Smart Define. "diabolic thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/diabolic/thesaurus/synonyms> |