Synonyms for crumble Found 7 synonyms across 3 meanings for “crumble”. fall apart (verb) crumpletumblecollapse break or fall apart into fragments (verb) fall into decay or ruin (verb) decaydilapidate Explore Related Words Rhymes with crumbleSynonyms for crumpleSynonyms for tumbleSynonyms for collapseSynonyms for decaySynonyms for dilapidate Synonym Finder | Rhyme Finder | Poetry Editor