to crush (something) out of shape
crumpled bedclothes
a mass of twisted crumpled metal
to make or become crumpledcreased or wrinkled
Satin crumples so easily
to collapse
Opposition to the scheme suddenly crumpled
said of the face or features: to lose form or distort
Her face crumpled at the news
[frequentative of Middle English crumpen: see crumpet]