5
stuffy(adjective, close, warm, hot, stale)
4
decomposed(adjective, bad, corrupt, foul, disgusting)
4
defiled(adjective, unclean, polluted, impure, contaminated)
4
distasteful(adjective, offensive, unpleasant, disgusting, indecent)
4
frowsty(adjective, stale, rotten, stinking, smelly)
4
horrid(adjective, bad, nasty, offensive, unpleasant)
4
ill-scented
4
mildewed(adjective, stale, musty, aged, squalid)
4
mildewy(adjective, stale, rotten, musty, aged)
4
objectionable
4
obscene(adjective, unclean)
4
putrescent(adjective, rank, corrupt, foul, disgusting)
4
sordid(adjective, unclean)
4
stinky(adjective, foul, stale, rotten, stinking)
4
wretched
4
yecchy(adjective, offensive, unpleasant, foul, disgusting)
3
awful
3
crappy
3
decaying
3
disagreeable
11 years ago|10k views|share |citing 
APASmart Define. (2015). fetid thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/fetid/thesaurus/synonyms
ChicagoSmart Define. 2015. "fetid thesaurus" https://smartdefine.org/fetid/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, fetid thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/fetid/thesaurus/synonyms>.
MLASmart Define. "fetid thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/fetid/thesaurus/synonyms>