2
moulder
2
acquiesce
2
adulterate(verb, decline, hurt, fail, damage)
2
attenuate
2
bate(verb, stop, end, pass, fall)
2
be destroyed(expression, idiom, decline, destruction, cease)
2
be impaired(verb, decline, weaken, lessen, degenerate)
2
become contaminated(expression, decline, weaken, lessen, degenerate)
2
bite the dust(expression, idiom, decline, cease, decay)
2
blight(verb, decline, hurt, damage, harm)
2
blighted
2
breakdown(noun, break, fragment)
2
bruise(verb, break, beat, press, smash)
2
buckle
2
calm down(expression, drop, cut, decline, reduce)
2
check(verb, drop, quiet, cut, decline)
2
cockle
2
come unstuck(expression, disintegrate, malfunction)
2
conk out(verb, expression, phrasal verb)
2
contuse(verb, break, beat, press, smash)
10 years ago|11k views|share |citing 
APASmart Define. (2016). crumble thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/crumble/thesaurus/synonyms
ChicagoSmart Define. 2016. "crumble thesaurus" https://smartdefine.org/crumble/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, crumble thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/crumble/thesaurus/synonyms>.
MLASmart Define. "crumble thesaurus" 24 February 2016. Web. 24 September 2026. <https://smartdefine.org/crumble/thesaurus/synonyms>