401 entries under verb topic. ×

3
sour(dull, spoil, decompose, ferment)
3
undermine(decline, ruin, fail, blow)
3
wreck(noun, decline, ruin, defeat)
2
abate(stop, drop, end, cut)
2
abrade(decline, diminish, use, weary)
2
addle(taint, rot, decompose, putrefy)
2
backslide(drop, reduce, fall, fail)
2
bite(hurt, destroy, smart, drain)
2
botch(noun, decline, ruin, defeat)
2
check(drop, quiet, cut, decline)
2
contaminate(ruin, harm, spoil, corrupt)
2
crumple
2
curtail(drop, quiet, cut, decline)
2
cut down(expression, drop, cut, decline)
2
debase(decline, hurt, ruin, fail)
2
demolish(destroy, waste, annihilate)
2
descend(break, decline, reduce, fail)
2
desiccate(decline, dry, shrink, shrivel)
2
devaluate(drop, quiet, cut, decline)
2
dirty(hurt, cause, harm, spoil)
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APASmart Define. (2016). decay thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/decay/thesaurus/synonyms
ChicagoSmart Define. 2016. "decay thesaurus" https://smartdefine.org/decay/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, decay thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/decay/thesaurus/synonyms>.
MLASmart Define. "decay thesaurus" 14 March 2016. Web. 25 September 2026. <https://smartdefine.org/decay/thesaurus/synonyms>