72 entries under nasty topic. ×

3
shameful(adjective, evil, low, cruel)
3
troublesome(adjective, hard, severe, evil, rough)
3
ugly(adjective, bad, hard, severe, evil)
2
formidable(adjective, bad, hard, evil, rough)
2
infamous(adjective, hard, evil, rough)
2
low-down and dirty(expression, adjective, idiom, hard, evil)
2
serious(adjective, bad, delicate, unpleasant)
2
shameless(adjective, hard, evil, rough)
2
spiteful(adjective, rough, dark, unpleasant)
2
sullen(adjective, rough, dark, unpleasant)
2
terrible(adjective, bad, severe, unpleasant)
1
bad-tempered(adjective, hard, evil, rough)
1
callous(adjective, hard, evil, rough)
1
cantankerous(adjective, hard, evil, rough)
1
cruel(adjective, unkind, uncaring, callous)
1
disagreeable(adjective, hard, evil, rough)
1
down(adjective, hard, evil, rough)
1
hard(adjective, evil, rough, rude)
1
hard-nosed(adjective, hard, evil, rough)
1
ignoble(adjective, hard, evil, rough)
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APASmart Define. (2016). treacherous thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/treacherous/thesaurus/synonyms
ChicagoSmart Define. 2016. "treacherous thesaurus" https://smartdefine.org/treacherous/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, treacherous thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/treacherous/thesaurus/synonyms>.
MLASmart Define. "treacherous thesaurus" 4 March 2016. Web. 30 September 2026. <https://smartdefine.org/treacherous/thesaurus/synonyms>