See crumple in Webster's New World Roget's A-Z Thesaurus II
verb
To make irregular folds in, especially by pressing or twisting:
crease, crimp, crinkle, rimple, rumple, wrinkle. See smoothTo fall in:
buckle, cave in, collapse, give, go. Idiom: give way. See explosion
noun
A line or an arrangement made by the doubling of one part over another:
crease, crimp, crinkle, fold, pleat, plica, plication, pucker, rimple, ruck2, rumple, wrinkle. See smooth
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