Dictionary 1. (v. t.) To make rough.2. (v. i.) To grow or become rough. Thesaurus agitate beat beat up boss churn churn up coarsen convulse disarrange discompose disquiet disturb excite ferment flurry fret gnarl grain granulate horripilate knob paddle perturb perturbate pimple rile ripple roil rough rough up ruffle rumple shake shake up smooth stir stir up stud swirl tooth trouble upset whip whip up whisk work up |