435 entries under noun topic. ×

2
devolution(drop, decline, fall, evil)
2
ebbing(drop, fall, failure, deterioration)
2
effluent
2
entropy(disorder, confusion, mess, deterioration)
2
extinction(decline, ruin, decrease, collapse)
2
falloff(drop, decline, fall, deterioration)
2
foul matter
2
garbage
2
havoc(ruin, collapse, failure, extinction)
2
junk
2
lessening(drop, decline, fall, decrease)
2
lowering(drop, fall, deterioration, falloff)
2
muck
2
offal
2
ordure
2
perishing(decline, collapse, down, deterioration)
2
refuse
2
rubbish
2
rupture(verb, decline, ruin, defeat)
2
sag(verb, drop, decline, fall)
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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>