■ verb
1》 crush or become crushed so as to become creased and wrinkled.
2》 suddenly lose force, effectiveness, or composure.
■ noun a crushed fold, crease, or wrinkle.
Derivatives
crumply adjective
Origin
ME: from obs. crump 'make or become curved', from OE crump 'bent, crooked', of W. Gmc origin.