145 entries under deteriorate topic. ×

4
sap(verb, blow, consume, exhaust, lose)
4
shrink(verb, drop, cut, decline, reduce)
4
wear away(verb, expression, phrasal verb, stop, drop)
3
damage(noun, verb, hurt, ruin, destroy)
3
debilitate(verb, decline, fail, blow, lower)
3
die down(verb, expression, drop, cut, decline)
3
die out(verb, expression, drop, decline, fall)
3
downgrade(noun, verb, drop, decline, fall)
3
droop(verb, stop, drop, end, cut)
3
drop(verb, cut, decline, reduce, fall)
3
fall apart(verb, expression, phrasal verb, decline, weaken)
3
fall off(verb, expression, phrasal verb, drop, cut)
3
get worse(verb, expression, idiom, decline, diminish)
3
pollute(verb, hurt, harm, spoil, dirty)
3
relapse(noun, verb, drop, decline, reduce)
3
revert(verb, drop, reduce, fall, fail)
3
slide(noun, verb, drop, decline, fall)
3
slip(noun, verb, drop, decline, reduce)
3
undermine(verb, decline, ruin, fail, blow)
2
abate(verb, stop, drop, end, cut)
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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>