- Definitions|1
- Thesaurus|138
- Abbreviations|0
64 entries under noun topic. ×
| iniquity | |
| monstrosity(evil, outrage, horror, unpleasantness) | |
| sin | |
| sinfulness | |
| terribleness(evil, unpleasantness, awfulness, dreadfulness) | |
| bane | |
| calamitousness | |
| corruption | |
| crime(wrong, horror, unpleasantness, transgression) | |
| damnation | |
| degeneracy | |
| detriment | |
| hideousness | |
| mischief | |
| offensiveness | |
| repellency | |
| reprehensibleness | |
| sinisterness | |
| turpitude(horror, heinousness, atrociousness) | |
| vice(horror, heinousness, atrociousness) |
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| APA | Smart Define. (2015). nefariousness thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/nefariousness/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "nefariousness thesaurus" https://smartdefine.org/nefariousness/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, nefariousness thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/nefariousness/thesaurus/synonyms>. |
| MLA | Smart Define. "nefariousness thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/nefariousness/thesaurus/synonyms> |