435 entries under noun topic. ×

2
senescence(decline, collapse, down, deterioration)
2
shrinkage(drop, decrease, retreat, wane)
2
slime
2
spoiling(drop, decline, degradation, slump)
2
waning(drop, decline, fall, decrease)
2
withering(decline, collapse, down, stain)
2
worsening(drop, decline, fall, return)
1
abatement(drop, fall, decrease, failure)
1
abortion(decline, ruin, defeat, collapse)
1
affliction(disorder, ruin, weakness, fault)
1
age(ruin, oldness)
1
ailing(disorder, weakness, fault, illness)
1
ailment(disorder, weakness, fault, illness)
1
anarchy(disorder, confusion, mess, muddle)
1
backflow(drop, decrease, retreat, wane)
1
backsliding(drop, fall, failure, deterioration)
1
bane(collapse, stain, extinction, destruction)
1
bedlam(disorder, confusion, mess, muddle)
1
blow(verb, waste, consume, exhaust)
1
bomb(decline, ruin, defeat, collapse)
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APASmart Define. (2016). decay thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/decay/thesaurus/synonyms
ChicagoSmart Define. 2016. "decay thesaurus" https://smartdefine.org/decay/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, decay thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/decay/thesaurus/synonyms>.
MLASmart Define. "decay thesaurus" 14 March 2016. Web. 28 September 2026. <https://smartdefine.org/decay/thesaurus/synonyms>