transitive verb-·pled, -·pling
- to crush together into creases or wrinkles
- to cause to collapse
Origin of crumpleMiddle English crumplen, variant, variety of crimplen, to wrinkle, frequentative of crimpen, crimp
- to become crumpled
- to fall or break down; collapse
verbcrum·pled, crum·pling, crum·ples
- To crush together or press into wrinkles; rumple.
- To cause to collapse.
- To become wrinkled.
- To collapse: a regime that finally crumpled.
Origin of crumpleMiddle English crumplen probably frequentative of crumpen to curl up ; see crumpet .
(third-person singular simple present crumples, present participle crumpling, simple past and past participle crumpled)
From Middle English crumpen (“to curl up, crump”),from Old English crump (“crooked”).