145 entries under deteriorate topic. ×

1
be impaired(verb, crumble, rot, decompose)
1
be worse for wear(verb, decline, fail, lower, weaken)
1
become contaminated(verb, expression, crumble, rot)
1
become less(verb, expression, drop, fall, fail)
1
become worse(verb, expression, decline, fail, lower)
1
cheapen(verb, drop, fall, fail, diminish)
1
degrade(verb, decline, ruin, fail, lower)
1
deprave(decline, hurt, reduce, dirty, corrupt)
1
depress(verb, diminish, lower, decrease, lessen)
1
dry-rot(verb, crumble, rot, decompose)
1
ease off(verb, expression, stop, end, pass)
1
fall back(verb, expression, decrease, lessen, retreat)
1
flow back(verb, expression, decrease, lessen, retreat)
1
go out(verb, expression, decrease, lessen, retreat)
1
go to the dogs(verb, expression, idiom, drop, decline)
1
hit rock bottom(verb, expression, idiom, crumble)
1
hit the skids(verb, expression, idiom, drop, decline)
1
lose it(verb, expression, decline, fail, lower)
1
lose quality(verb, expression, decline, fail, lower)
1
lose value(verb, expression, drop, fall, fail)
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APASmart Define. (2016). decay thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/decay/thesaurus/synonyms
ChicagoSmart Define. 2016. "decay thesaurus" https://smartdefine.org/decay/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, decay thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/decay/thesaurus/synonyms>.
MLASmart Define. "decay thesaurus" 14 March 2016. Web. 26 September 2026. <https://smartdefine.org/decay/thesaurus/synonyms>