9
breakup(noun, disorder, confusion, mess, muddle)
9
die(verb, stop, decline, fail, crash)
9
diminish(verb, stop, drop, end, cut)
9
failing(noun, drop, decline, disorder, ruin)
9
perish(verb, beat, decline, crush, blow)
8
become rotten(expression, idiom)
8
corruption(noun, decline, fall, wrong, evil)
8
disrepair(noun, state, drop, decline, collapse)
8
fail(verb, stop, drop, end, decline)
8
fester(verb, decline, idle, stall, inflamed)
8
mess(noun, decline, disorder, ruin, defeat)
8
putrescence(noun, decline, collapse, condition, down)
8
ruination(noun, decline, disorder, confusion, collapse)
8
taint(noun, verb, break, dull, ruin)
7
consumption(noun, decline, disease, use, collapse)
7
corrode(verb, decline, hurt, reduce, destroy)
7
corrosion(noun, drop, decline, ruin, collapse)
7
corrupt(verb, decline, hurt, reduce, destroy)
7
decrepitude(noun, drop, decline, disorder, ruin)
7
diminution(noun, drop, fall, decrease, retreat)
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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>