96 entries under fail topic. ×

9
diminish(verb, stop, drop, end, cut)
7
corrode(verb, decline, hurt, reduce, destroy)
7
corrupt(verb, decline, hurt, reduce, destroy)
7
languish(verb, drop, decline, fall)
7
molder(verb, stop, break, dull, end)
7
worsen(verb, break, drop, decline, reduce)
6
dilapidate(verb, stop, break, end, pass)
6
lapse(noun, verb, stop, drop, end)
5
break(verb, decline, lower, collapse)
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)
5
lessen(verb, drop, cut, decline, reduce)
5
wilt(verb, stop, end, pass, fall)
4
depreciate(verb, drop, cut, decline, reduce)
4
end(noun, verb, stop, decline, pass)
4
flag(verb, drop, decline, fall)
4
peter out(verb, expression, stop, drop, end)
4
rankle(verb, stop, end, pass, fall)
4
retrogress(verb, decline, reduce, diminish)
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APASmart Define. (2016). decay thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/decay/thesaurus/synonyms
ChicagoSmart Define. 2016. "decay thesaurus" https://smartdefine.org/decay/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, decay thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/decay/thesaurus/synonyms>.
MLASmart Define. "decay thesaurus" 14 March 2016. Web. 22 September 2026. <https://smartdefine.org/decay/thesaurus/synonyms>