21
mean(verb, adjective, bad, wrong, evil)
21
immoral(adjective, bad, right, wrong, evil)
20
heinous(adjective, bad, wrong, evil, nasty)
20
monstrous(adjective, wrong, evil, nasty, harsh)
19
abominable(adjective, bad, wrong, evil, nasty)
18
malignant(adjective, mean, bad, evil, nasty)
17
barbaric(adjective, rude, violent, wild, cruel)
17
depraved(adjective, bad, open, light, wrong)
17
ruthless(adjective, mean, hard, evil, rough)
17
venomous(adjective, mean, bad, strong, severe)
16
base(adjective, bad, wrong, evil, offensive)
16
awful(adjective, mean, strong, severe, nasty)
16
flagitious(adjective, wrong, awful, terrible, corrupt)
16
merciless(adjective, mean, hard, evil, rough)
16
wild(adjective, strong, open, light, wrong)
15
criminal(adjective, bad, wrong, evil, corrupt)
15
pitiless(adjective, mean, nasty, harsh, violent)
15
rotten(adjective, bad, hard, wrong, evil)
15
villainous(adjective, wrong, evil, corrupt, vile)
14
appalling(adjective, evil, base, awful, terrible)
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APASmart Define. (2016). vicious thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/vicious/thesaurus/synonyms
ChicagoSmart Define. 2016. "vicious thesaurus" https://smartdefine.org/vicious/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, vicious thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/vicious/thesaurus/synonyms>.
MLASmart Define. "vicious thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/vicious/thesaurus/synonyms>