12
profligate(adjective, open, light, wrong, evil)
12
sadistic(adjective, mean, evil, nasty, harsh)
12
virulent(adjective, mean, bad, evil, nasty)
11
frightful(adjective, evil, nasty, awful, violent)
11
grisly(adjective, awful, terrible, horrible, afraid)
11
hellish(adjective, evil, nasty, harsh, unpleasant)
11
intense(adjective, strong, severe, nasty, passionate)
11
murderous(adjective, strong, severe, nasty, harsh)
11
terrible(adjective, strong, hard, severe, evil)
10
brutish(adjective, strong, severe, evil, nasty)
10
deplorable(adjective, wrong, wicked, endured, illegal)
10
execrable(adjective, nasty, awful, terrible, disgusting)
10
ghastly(adjective, awful, terrible, horrible, afraid)
10
hideous(adjective, awful, terrible, horrible, afraid)
10
horrendous(adjective, awful, terrible, horrible, afraid)
10
rancorous(adjective, mean, evil, nasty, harsh)
10
shameful(adjective, bad, wrong, evil, nasty)
10
unkind(adjective, mean, evil, nasty, harsh)
9
bestial(adjective, kind, evil, nasty, harsh)
9
blameworthy(adjective, bad, evil, corrupt, wicked)
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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>