crumple definition by Webster's New World
- to crush together into creases or wrinkles
- to cause to collapse
Origin: Middle English crumplen, variant, variety of crimplen, to wrinkle, frequentative of crimpen, crimp
- to become crumpled
- to fall or break down; collapse
crumple definition by American Heritage Dictionary
verb crum·pled, crum·pling, crum·ples verb, transitive
- To crush together or press into wrinkles; rumple.
- To cause to collapse.
- To become wrinkled.
- To collapse: a regime that finally crumpled.
Origin: Middle English crumplen, probably frequentative of crumpen, to curl up; see crumpet.
- crumˈply adjective