/rum"peuhl/ , v. , rumpled, rumpling , n.
v.t.
1. to crumple or crush into wrinkles: to rumple a sheet of paper.
2. to ruffle; tousle (sometimes fol. by up ): The wind rumpled her hair.
v.i.
3. to become wrinkled or crumpled: Tissue rumples easily.
n.
4. a wrinkle or irregular fold; crease.
[ 1595-1605; rompelen (v.), rompel (n.) ]
Syn. 1. wrinkle, crease, muss.