13
rots(verb, disintegrates, or decay away, the moldy apple likes to rot)
6
putrefies(verb, deteriorates, disintegrates)
5
spoils(noun, verb, disintegrates)
4
declines(noun, verb, checks, stops, passes)
4
crumbles(noun, verb, disintegrates)
3
decomposes(verb, disintegrates)
3
degenerates(noun, verb, deteriorates, disintegrates)
3
deteriorates(noun, verb, deteriorates)
3
collapses(noun, verb, deteriorates)
3
corruptions(noun, infections, oxidations)
3
ebbs(noun, verb, deteriorates)
2
festers(noun, verb, frets)
2
atrophies(verb, deteriorates)
2
breaks(noun, verb, disintegrates)
2
decompositions
2
deteriorations
2
disintegrates(noun, verb, disintegrates)
2
downgrades(noun, verb, drops, decreases, deteriorates)
2
fades(noun, verb, deteriorates)
2
lapses(noun, verb, deteriorates)
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APASmart Define. (2015). decays thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/decays/thesaurus/synonyms
ChicagoSmart Define. 2015. "decays thesaurus" https://smartdefine.org/decays/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, decays thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/decays/thesaurus/synonyms>.
MLASmart Define. "decays thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/decays/thesaurus/synonyms>