6
repugnant(adjective, bad, evil, nasty, base)
6
repulsive(adjective, bad, evil, nasty, offensive)
6
revolting(adjective, bad, evil, nasty, offensive)
6
rough(adjective, hard, nasty, harsh, rude)
6
sad(adjective, awful, terrible, horrible, afraid)
6
severe(adjective, mean, hard, rough, harsh)
6
sickening(adjective, evil, unpleasant, base, terrible)
6
sinister(adjective, nasty, unpleasant, negative, wicked)
6
truculent(adjective, strong, kind, severe, harsh)
6
ungodly(adjective, awful, terrible, horrible, afraid)
6
unmerciful(adjective, mean, harsh, violent, cruel)
6
untamed(adjective, strong, wrong, severe, rough)
6
vehement(adjective, strong, severe, nasty, intense)
6
woeful(adjective, unpleasant, awful, terrible, horrible)
5
acute(adjective, endured)
5
antagonistic(adjective, malevolent)
5
bad-tempered(adjective, mean, hard, evil, rough)
5
callous(adjective, mean, hard, evil, rough)
5
caustic(adjective, hard, negative, critical, spiteful)
5
censurable(bad, evil, wicked, reprehensible)
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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>