11
fusty(adjective, stale, rotten, stinking, smelly)
9
musty(adjective, stale, rotten, stinking, smelly)
5
stale(adjective, rotten, stinking, smelly, putrid)
4
fetid(adjective, stale, rotten, stinking, smelly)
4
malodorous(adjective, stale, rotten, stinking, smelly)
4
noisome(adjective, rotten, stinking, smelly, putrid)
4
reeking(adjective, rotten, stinking, smelly, putrid)
4
stenchy(adjective, rotten, stinking, smelly, putrid)
3
foetid
3
foul(adjective, rotten, stinking, smelly, putrid)
3
frowsy
3
mildewy(adjective, rank, stale, rotten, stinking)
3
reeky
3
stuffy(adjective, stale, rotten, stinking, smelly)
2
airless
2
blighted
2
frowzy
2
ill-smelling
2
mephitic(adjective, rotten, stinking, smelly, putrid)
2
moldy(adjective, stale, rotten, stinking, smelly)
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APASmart Define. (2015). frowsty thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/frowsty/thesaurus/synonyms
ChicagoSmart Define. 2015. "frowsty thesaurus" https://smartdefine.org/frowsty/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, frowsty thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/frowsty/thesaurus/synonyms>.
MLASmart Define. "frowsty thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/frowsty/thesaurus/synonyms>