162 entries under nasty topic. ×

4
ignoble(adjective, hard, evil, rough)
4
low-down(wrong, cruel, vile, hateful)
4
malicious(adjective, hard, evil, rough)
4
objectionable(adjective, bad, offensive, unpleasant)
4
perfidious(adjective, hard, evil, rough)
4
poisonous(adjective, bad, violent, heavy)
4
shaky(adjective, bad, unpleasant, awful)
4
unattractive(adjective, bad, horrible, disagreeable)
3
below par(expression, adjective, bad, weak, poor)
3
egregious(adjective, bad, wrong, evil)
3
scandalous(adjective, bad, wrong, evil)
3
sleazy(adjective, good, mean, bad, poor)
3
unpalatable(adjective, bad, offensive, unpleasant)
3
unworthy(adjective, bad, poor, cruel)
2
down(adjective, mean, bad, hard, weak)
2
grody(adjective, bad, offensive, awful)
2
mercenary(adjective, low, cruel, dishonest)
2
reprehensible(adjective, evil, low, offensive)
2
rude(adjective, hard, rough, unpleasant)
2
scurrilous(adjective, bad, hard, evil, rough)
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APASmart Define. (2016). rotten thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/rotten/thesaurus/synonyms
ChicagoSmart Define. 2016. "rotten thesaurus" https://smartdefine.org/rotten/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, rotten thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/rotten/thesaurus/synonyms>.
MLASmart Define. "rotten thesaurus" 3 April 2016. Web. 29 September 2026. <https://smartdefine.org/rotten/thesaurus/synonyms>