- Definitions|2
- Thesaurus|1.9k
- Abbreviations|0
289 entries under adjective topic. ×
| debauched(evil, corrupt, wicked, dishonest) | |
| demoniac(evil, vile, wicked, execrable) | |
| demonic(evil, terrible, vile, wicked) | |
| despisable | |
| destructive | |
| distressing | |
| double-dealing(corrupt, dishonest, immoral, rotten) | |
| duplicitous | |
| evil-minded | |
| exploiting(dishonest, immoral, rotten, untrustworthy) | |
| extortionate(offensive, dishonest, extreme, immoral) | |
| faithless(dishonest, immoral, rotten, untrustworthy) | |
| fast and loose(expression, idiom, dishonest, immoral) | |
| fearful | |
| fierce | |
| fixed(dishonest, immoral, rotten, untrustworthy) | |
| fraudulent(corrupt, dishonest, immoral, rotten) | |
| ghastly | |
| gone to the dogs(expression, idiom, evil, corrupt) | |
| heartless |
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| APA | Smart Define. (2015). nefarious thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/nefarious/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "nefarious thesaurus" https://smartdefine.org/nefarious/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, nefarious thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/nefarious/thesaurus/synonyms>. |
| MLA | Smart Define. "nefarious thesaurus" 8 October 2015. Web. 22 September 2026. <https://smartdefine.org/nefarious/thesaurus/synonyms> |