7
disorder(noun, weakness, confusion, fault, mess)
7
dissolve(verb, beat, hurt, reduce, crush)
7
languish(verb, drop, decline, fall, fail)
7
mildew(noun, verb, stain, deteriorate, taint)
7
molder(verb, stop, break, dull, end)
7
mortification(noun, decline, collapse, down, deterioration)
7
mortify(verb, deteriorate, disintegrate, crumble, rot)
7
slump(noun, verb, drop, cut, decline)
7
turmoil(noun, disorder, confusion, mess, muddle)
7
waste away(verb, expression, phrasal verb, decline, dry)
7
weakening(noun, drop, decline, fall, decrease)
7
worsen(verb, break, drop, decline, reduce)
6
breakdown(noun, verb, break, decline, ruin)
6
contract(verb, drop, cut, decline, reduce)
6
curdle(verb, dull, spoil, deteriorate, taint)
6
degradation(noun, decline, fall, evil, corruption)
6
dilapidate(verb, stop, break, end, pass)
6
gangrene(noun, decline, ruin, decrease, collapse)
6
lapse(noun, verb, stop, drop, end)
6
mold(noun, verb, foul, stain, deteriorate)
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APASmart Define. (2016). decay thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/decay/thesaurus/synonyms
ChicagoSmart Define. 2016. "decay thesaurus" https://smartdefine.org/decay/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, decay thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/decay/thesaurus/synonyms>.
MLASmart Define. "decay thesaurus" 14 March 2016. Web. 21 September 2026. <https://smartdefine.org/decay/thesaurus/synonyms>