145 entries under deteriorate topic. ×

6
dilapidate(verb, stop, break, end, pass)
6
lapse(noun, verb, stop, drop, end)
6
mold(noun, verb, foul, stain)
6
shrivel(verb, drop, cut, decline, reduce)
5
break(verb, decline, fail, lower, collapse)
5
break up(verb, expression, phrasal verb, break, beat)
5
go downhill(verb, expression, idiom, stop, drop)
5
go to pot(verb, expression, idiom, drop, decline)
5
go to seed(verb, expression, idiom, decline, fail)
5
lessen(verb, drop, cut, decline, reduce)
5
putresce(verb, crumble, rot, weep)
5
regress(verb, decline, reduce, weaken, lapse)
5
stagnate(verb, decline, weaken, idle)
5
suppurate(verb, irritate, aggravate, crumble)
5
wilt(verb, stop, end, pass, fall)
4
defile(verb, hurt, ruin, harm, spoil)
4
depreciate(verb, drop, cut, decline, reduce)
4
flag(verb, drop, decline, fall, fail)
4
peter out(verb, expression, stop, drop, end)
4
retrogress(verb, decline, reduce, fail, diminish)
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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>