180 entries under nasty topic. ×

4
detestable(adjective, evil, offensive, unpleasant)
4
hard-hearted(adjective, mean, evil, harsh)
4
ill-natured(adjective, mean, malicious, spiteful)
4
knavish(adjective, hard, evil, rough)
4
perfidious(adjective, hard, evil, rough)
4
slanderous(adjective, hateful)
4
tough(adjective, hard, rough, harsh)
4
treacherous(adjective, hard, evil, rough)
4
ugly(adjective, bad, hard, evil, rough)
3
contemptible(adjective, bad, hard, wrong, evil)
3
detrimental(adjective, mean, bad, evil)
3
hard(adjective, mean, severe, evil, rough)
3
impure(adjective, bad, wrong, evil)
3
ornery(adjective, mean, informal, violent)
3
relentless(adjective, mean, strong, severe, evil)
3
rude(adjective, hard, rough, violent)
3
unrelenting(adjective, mean, evil, harsh)
3
unscrupulous(adjective, hard, evil, rough)
2
aggressive(adjective, severe, violent, cruel)
2
cantankerous(adjective, hard, evil, rough)
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APASmart Define. (2016). vicious thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/vicious/thesaurus/synonyms
ChicagoSmart Define. 2016. "vicious thesaurus" https://smartdefine.org/vicious/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, vicious thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/vicious/thesaurus/synonyms>.
MLASmart Define. "vicious thesaurus" 24 March 2016. Web. 28 September 2026. <https://smartdefine.org/vicious/thesaurus/synonyms>