9
degenerate(adjective, good, evil, clean, low)
9
foetid
9
gross(adjective, bad, wrong, evil, nasty)
9
ill(adjective, mean, weak, sick, green)
9
moldy(adjective, strong, offensive, sweet, rank)
9
not good
9
polluted(adjective, bad, offensive, unpleasant, rank)
9
rotting(adjective, musty, uncleanness, decayed, contaminated)
9
second-rate(adjective, mean, bad, weak, poor)
9
sick(adjective, mean, weak, healthy, well)
9
substandard(adjective, bad, weak, poor, nasty)
9
ugly(adjective, hard, evil, rough, nasty)
9
unclean(adjective, offensive, unpleasant, dirty, foul)
9
unfortunate(adjective, bad, severe, sad, inferior)
8
cheap(adjective, good, poor, nasty, low)
8
debauched(adjective, characteristic, evil, corrupt, wicked)
8
decomposing(adjective, decayed, decaying)
8
dire(adjective, endured, inexpedience)
8
distasteful(adjective, bad, nasty, offensive, unpleasant)
8
feculent(adjective, rank, disagreeable, sour, stale)
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APASmart Define. (2016). rotten thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/rotten/thesaurus/synonyms
ChicagoSmart Define. 2016. "rotten thesaurus" https://smartdefine.org/rotten/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, rotten thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/rotten/thesaurus/synonyms>.
MLASmart Define. "rotten thesaurus" 3 April 2016. Web. 24 September 2026. <https://smartdefine.org/rotten/thesaurus/synonyms>