- Definitions|2
- Thesaurus|1.5k
- Abbreviations|0
possible profanity
373 entries under adjective topic. ×
| cruel(person, evil, nasty, violent) | |
| diabolic(kind, unusual, wonderful, marvelous) | |
| hellish(kind, evil, vile, wicked) | |
| atrocious(person, evil, wicked, bad behavior) | |
| evil(wicked, bad behavior, diabolical, aroused negative) | |
| satanic(kind, evil, wicked, immoral) | |
| diabolical(animal, mean, kind, evil) | |
| devilish(animal, mean, bad, kind) | |
| wicked(bad, wrong, evil, violent) | |
| brutal(person, evil, nasty, violent) | |
| infernal(kind, evil, vile, wicked) | |
| demonic(evil, dark, vile, wicked) | |
| malicious(animal, person, mean, violent) | |
| sinful(bad, wrong, evil, violent) | |
| malevolent(person, wicked, bad behavior, unwarmhearted) | |
| vicious(bad, wrong, evil, nasty) | |
| inhuman(animal, evil, nasty, violent) | |
| bad(wrong, evil, violent, wild) | |
| barbaric(animal, person, mean, awful) | |
| sinister(person, evil, unwarmhearted) |
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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> |