325 entries under decline topic. ×

1
be worse for wear(verb, fail, lower, weaken)
1
be worthless(verb, diminish, use, weary)
1
become smaller(verb, expression, idiom, drop)
1
become threadbare(verb, expression, use, rub)
1
become worn(verb, expression, break, diminish)
1
become worse(verb, expression, fail, lower)
1
bite the dust(expression, idiom, cease, succumb)
1
blast(verb, ruin, destroy, stain)
1
bomb(noun, ruin, defeat, collapse)
1
bust(noun, ruin, defeat, collapse)
1
buy the farm(expression, idiom, cease, succumb)
1
cease(succumb, expire, die)
1
chafe(verb, use, gather, weary)
1
check out(expression, cease, succumb, expire)
1
checkmate(noun, ruin, defeat, collapse)
1
constipate(idle, stall, languish, stagnate)
1
crash(noun, verb, stop, drop)
1
curb(verb, drop, quiet, cut)
1
cut(noun, verb, hurt, reduce)
1
debasement(noun, drop, fall, wrong)
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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>