Synonym: crease, crinkle, ripple, wrinkle. Similar words: grumpy, ample, simple, wimple, complete, sample, complex, temple. Meaning: ['krʌmpl] 
v. 1. fall apart 2. fold or collapse 3. to gather something into small wrinkles or folds 4. become wrinkled or crumpled or creased.
v. 1. fall apart 2. fold or collapse 3. to gather something into small wrinkles or folds 4. become wrinkled or crumpled or creased. 31. A compactor can crumple a car into a small cube.
32. He proceeded to crumple up the dollar twenty ( $ 20 ) bill.