50 entries under moldy topic. ×

6
bad(adjective, rank, corrupt, foul, disgusting)
6
corrupt(adjective, foul, disgusting, rotten, polluted)
6
dirty(adjective, nasty, offensive, unpleasant, foul)
6
squalid(adjective, poor, nasty, offensive, unpleasant)
6
tainted(adjective, offensive, unpleasant, rank, dirty)
5
decayed(adjective, bad, hard, corrupt, foul)
5
feculent(adjective, rank, foul, disgusting, disagreeable)
5
frowzy(adjective, bad, rank, foul, disagreeable)
5
sour(adjective, hard, rank, corrupt, foul)
5
spoiled(adjective, hard, corrupt, disgusting, old)
5
stuffy(adjective, close, warm, hot, stale)
4
decomposed(adjective, bad, corrupt, foul, disgusting)
4
mildewed(adjective, stale, musty, aged, squalid)
4
mildewy(adjective, stale, rotten, musty, aged)
4
putrescent(adjective, rank, corrupt, foul, disgusting)
3
overripe(adjective, corrupt, disgusting, sour, stale)
3
polluted(adjective, offensive, unpleasant, rank, dirty)
2
bad-smelling(adjective, corrupt, disgusting, sour, stale)
2
dank(adjective, strong, offensive, sweet, foul)
2
fecal(adjective, corrupt, disgusting, sour, stale)
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APASmart Define. (2015). fetid thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/fetid/thesaurus/synonyms
ChicagoSmart Define. 2015. "fetid thesaurus" https://smartdefine.org/fetid/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, fetid thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/fetid/thesaurus/synonyms>.
MLASmart Define. "fetid thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/fetid/thesaurus/synonyms>