1. (v. t. & i.) To make uneven; to form into irregular inequalities; to wrinkle; to crumple; as, to rumple an apron or a cravat.

2. (n.) A fold or plait; a wrinkle.

agitate beat beat up bristle churn churn up clutter cocker cockle convulse corrugate corrugation crankle crease crimp crimple crinkle crumple crush derange disarrange disarray discompose dishevel dislocate disorder disorganize disquiet disturb excite ferment flurry fold fret furrow knit knot litter mess mess up misarrange muss muss up paddle perturb perturbate pucker purse ridge rile rimple ripple rivel roil roughen ruck ruckle ruffle scatter screw scrunch set on edge shake shake up shirr stir stir up swirl tousle trouble upset whip whip up whisk wimple work up wrinkle