3
decaying(verb, adjective, deteriorating)
3
decomposing
3
putrefying(verb, adjective, deteriorating)
3
putrescent
3
putrid
3
rank
3
rotten
3
rotting
3
spoiled
3
spoilt
2
atrophying(verb, deteriorating)
2
collapsing(verb, deteriorating)
2
corrupt
2
decayed
2
declining(verb, deteriorating)
2
decomposed
2
degenerating(verb, deteriorating)
2
fading(verb, deteriorating)
2
foul
2
mouldy
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APASmart Define. (2013). mouldering thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/mouldering/thesaurus/synonyms
ChicagoSmart Define. 2013. "mouldering thesaurus" https://smartdefine.org/mouldering/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2013, mouldering thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/mouldering/thesaurus/synonyms>.
MLASmart Define. "mouldering thesaurus" 27 June 2013. Web. 20 September 2026. <https://smartdefine.org/mouldering/thesaurus/synonyms>