5
intolerable(adjective, evil, terrible, vile, horrible)
5
macabre(adjective, endured)
5
miscreant(adjective, mean, wrong, evil, low)
5
mortal(adjective, mean, harsh, awful, terrible)
5
painful(adjective, hard, evil, nasty, harsh)
5
peccant(adjective, right, wrong, illegal, noxious)
5
refractory(adjective, hard, severe, rough, harsh)
5
roughshod
5
sanguinary(adjective, violent, cruel, fierce, savage)
5
uncivilized(adjective, rough, harsh, rude, violent)
5
unfeeling(adjective, mean, evil, nasty, harsh)
5
unpleasant(adjective, mean, bad, hard, evil)
4
abusive(adjective, mean, violent, spiteful)
4
acerbic
4
almighty(adjective, awful, terrible, horrible, afraid)
4
blamable(bad, evil, wicked)
4
bloody
4
brute
4
churlish(adjective, hard, rough, nasty, rude)
4
condemnable
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APASmart Define. (2016). vicious thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/vicious/thesaurus/synonyms
ChicagoSmart Define. 2016. "vicious thesaurus" https://smartdefine.org/vicious/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, vicious thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/vicious/thesaurus/synonyms>.
MLASmart Define. "vicious thesaurus" 24 March 2016. Web. 23 September 2026. <https://smartdefine.org/vicious/thesaurus/synonyms>