Synonyms|103Antonyms|3|Broader|3Narrower|4Related|25
1
viciousness(noun, horror, heinousness, atrociousness)
1
villainy(noun, wrong, horror, unpleasantness, transgression)
0
awfulness(unpleasantness, dreadfulness)
0
barbarity
0
barbarousness(wickedness, horror, barbarity)
0
blunder
0
deviltry
0
disagreeableness
0
dreadfulness(unpleasantness, awfulness)
0
egregiousness(outrage, flagrancy)
0
error
0
evildoing(noun, transgression)
0
fault
0
fiendishness(wickedness, horror, barbarity)
0
flagitiousness
0
flagrance(outrage, flagrancy)
0
flagrancy(outrage, horror, unpleasantness, awfulness, dreadfulness)
0
flagrantness(outrage, flagrancy)
0
frightfulness(noun, unpleasantness)
0
glaringness(outrage, flagrancy)
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APASmart Define. (2015). nefariousness thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/nefariousness/thesaurus/synonyms
ChicagoSmart Define. 2015. "nefariousness thesaurus" https://smartdefine.org/nefariousness/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, nefariousness thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/nefariousness/thesaurus/synonyms>.
MLASmart Define. "nefariousness thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/nefariousness/thesaurus/synonyms>