- Definitions|2
- Thesaurus|651
- Abbreviations|0
78 entries under adjective topic. ×
| malignant | |
| monstrous | |
| naughty | |
| nefarious(evil, vile, wicked, execrable) | |
| perverted | |
| serpentine(evil, vile, wicked, fiendish) | |
| ungodly | |
| unhallowed(evil, vile, wicked, fiendish) | |
| unprincipled | |
| Machiavellian | |
| artful | |
| atrocious(evil, vile, wicked, fiendish) | |
| black-hearted | |
| blasphemous | |
| brutish(wicked, demonic, diabolical) | |
| conniving | |
| crafty | |
| cunning | |
| impish | |
| inhuman |
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| APA | Smart Define. (2013). mephistophelian thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/mephistophelian/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "mephistophelian thesaurus" https://smartdefine.org/mephistophelian/thesaurus/synonyms (accessed October 1, 2026). |
| Harvard | Smart Define 2013, mephistophelian thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/mephistophelian/thesaurus/synonyms>. |
| MLA | Smart Define. "mephistophelian thesaurus" 27 June 2013. Web. 1 October 2026. <https://smartdefine.org/mephistophelian/thesaurus/synonyms> |