- Definitions|2
- Thesaurus|1.5k
- Abbreviations|0
possible profanity
373 entries under adjective topic. ×
| impious(bad, wrong, evil, nasty) | |
| mad(evil, cruel, wicked, controlled) | |
| malignant(animal, mean, cruel, vicious) | |
| misaffectionate(person, unwarmhearted) | |
| misanthropic(person, unwarmhearted) | |
| mummified(person, unwarmhearted) | |
| naughty(bad, wicked, misbehaved) | |
| ominous(person, unwarmhearted) | |
| pitiless(animal, mean, cruel, vicious) | |
| standoffish(person, unwarmhearted) | |
| stern(person, unwarmhearted) | |
| terrible | |
| uncordial(person, unwarmhearted) | |
| unfriendly(person, unwarmhearted) | |
| amoral | |
| animal(noun, mean, cruel, vicious) | |
| base | |
| cacodemonic | |
| feral | |
| foul |
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| APA | Smart Define. (2016). fiendish thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/fiendish/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "fiendish thesaurus" https://smartdefine.org/fiendish/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, fiendish thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/fiendish/thesaurus/synonyms>. |
| MLA | Smart Define. "fiendish thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/fiendish/thesaurus/synonyms> |