64 entries under noun topic. ×

2
iniquity
2
monstrosity(evil, outrage, horror, unpleasantness)
2
sin
2
sinfulness
2
terribleness(evil, unpleasantness, awfulness, dreadfulness)
1
bane
1
calamitousness
1
corruption
1
crime(wrong, horror, unpleasantness, transgression)
1
damnation
1
degeneracy
1
detriment
1
hideousness
1
mischief
1
offensiveness
1
repellency
1
reprehensibleness
1
sinisterness
1
turpitude(horror, heinousness, atrociousness)
1
vice(horror, heinousness, atrociousness)
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APASmart Define. (2015). nefariousness thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/nefariousness/thesaurus/synonyms
ChicagoSmart Define. 2015. "nefariousness thesaurus" https://smartdefine.org/nefariousness/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, nefariousness thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/nefariousness/thesaurus/synonyms>.
MLASmart Define. "nefariousness thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/nefariousness/thesaurus/synonyms>