9
hellish(adjective, nasty, harsh, vicious, wicked)
9
unscrupulous(adjective, mean, bad, hard, rough)
9
Mephistophelian(adjective, wicked, demonic, diabolical)
9
appalling(adjective, awful, terrible, foul, disgusting)
9
damnable(adjective, bad, nasty, terrible, corrupt)
9
debased(adjective, corrupt, vicious, wicked, immoral)
9
demonic
9
disadvantageous(adjective, cruel, negative, unkind, harmful)
9
dishonest(adjective, mean, bad, nasty, base)
9
dishonourable
9
evilness(noun, wrong, disgrace, rudeness, immorality)
9
felonious(adjective, criminal)
9
grisly(adjective, nasty, unpleasant, disgusting, immoral)
9
heinousness(noun, disaster, immorality, outrage, horror)
9
inauspicious(adjective, black, threatening, luck, menacing)
9
malfeasance(noun, break, wrong, case, property)
9
misery(noun, trouble, cut, hurt, event)
9
obscene(adjective, offensive, corrupt, wicked, immoral)
9
odious(adjective, nasty, unpleasant, awful, terrible)
9
outrageous(adjective, blue, nasty, offensive, unpleasant)
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APASmart Define. (2016). evil thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/evil/thesaurus/synonyms
ChicagoSmart Define. 2016. "evil thesaurus" https://smartdefine.org/evil/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, evil thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/evil/thesaurus/synonyms>.
MLASmart Define. "evil thesaurus" 24 March 2016. Web. 21 September 2026. <https://smartdefine.org/evil/thesaurus/synonyms>