say it: KRUHM-puhl
crumple is a verb meaning "fall apart". It carries 4 recorded senses.
fall apart
“the building crumbled after the explosion”
“Negotiations broke down”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for crumple come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.