6
rottenness(noun, condition, deterioration, better, corruption)
6
shrivel(verb, drop, cut, decline, reduce)
6
spoilage(noun, decline, collapse, condition, down)
5
adulteration(noun, drop, decline, harm, collapse)
5
biodegradation(noun, disorder, confusion, mess, muddle)
5
break(verb, decline, fail, lower, collapse)
5
break up(verb, expression, phrasal verb, break, beat)
5
chaos(noun, disorder, confusion, mess, muddle)
5
clutter(noun, disorder, confusion, mess, muddle)
5
contamination(noun, stain, corruption, uncleanness, affliction)
5
declination(noun, drop, decline, return, collapse)
5
degeneracy(noun, drop, decline, fall, wrong)
5
disarray(noun, disorder, confusion, mess, muddle)
5
disorderliness(noun, disorder, confusion, mess, muddle)
5
disorganization(noun, disorder, confusion, mess, deterioration)
5
erode(verb, decline, hurt, reduce, destroy)
5
fading(noun, decline, collapse, down, deterioration)
5
go downhill(verb, expression, idiom, stop, drop)
5
go to pot(verb, expression, idiom, drop, decline)
5
go to seed(verb, expression, idiom, decline, fail)
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APASmart Define. (2016). decay thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/decay/thesaurus/synonyms
ChicagoSmart Define. 2016. "decay thesaurus" https://smartdefine.org/decay/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, decay thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/decay/thesaurus/synonyms>.
MLASmart Define. "decay thesaurus" 14 March 2016. Web. 22 September 2026. <https://smartdefine.org/decay/thesaurus/synonyms>