— crumply , adj.
/krum"peuhl/ , v. , crumpled, crumpling , n.
v.t.
1. to press or crush into irregular folds or into a compact mass; bend out of shape; rumple; wrinkle.
2. to cause to collapse or give way suddenly: That right hook to the midsection crumpled him.
v.i.
3. to contract into wrinkles; shrink; shrivel.
4. to give way suddenly; collapse: The bridge crumpled under the weight of the heavy trucks.
n.
5. an irregular fold or wrinkle produced by crumpling.
[ 1400-50; late ME; var. of CRIMPLE ]