435 entries under noun topic. ×

7
weakening(drop, decline, fall, decrease)
6
breakdown(verb, break, decline, ruin)
6
degradation(decline, fall, evil, corruption)
6
gangrene(decline, ruin, decrease, collapse)
6
lapse(verb, stop, drop, end)
6
mold(verb, foul, stain, deteriorate)
6
rottenness(condition, deterioration, better, corruption)
6
spoilage(decline, collapse, condition, down)
5
adulteration(drop, decline, harm, collapse)
5
biodegradation(disorder, confusion, mess, muddle)
5
chaos(disorder, confusion, mess, muddle)
5
clutter(disorder, confusion, mess, muddle)
5
contamination(stain, corruption, uncleanness, affliction)
5
declination(drop, decline, return, collapse)
5
degeneracy(drop, decline, fall, wrong)
5
disarray(disorder, confusion, mess, muddle)
5
disorderliness(disorder, confusion, mess, muddle)
5
disorganization(disorder, confusion, mess, deterioration)
5
fading(decline, collapse, down, deterioration)
5
jumble(disorder, confusion, mess, muddle)
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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>