Main Entry: ¹crum·ple

Pronunciation: \ˈkrəm-pəl\

Function: verb

Inflected Form(s): crum·pled; crum·pling \-p(ə-)liŋ\

Etymology: Middle English crumplen, frequentative of Middle English crumpen

Date: 14th century

transitive verb 1 : to press, bend, or crush out of shape : rumple
2 : to cause to collapseintransitive verb 1 : to become crumpled
2 : collapse