#1 rumple v. [ruffle, ruffle up, mess up] disturb the smoothness of; "ruffle the surface of the water". wn #2 rumple v. [pucker, cockle, crumple, knit] to gather something into small wrinkles or folds; "She puckered her lips". wn #3 rumple v. [crumple, wrinkle, crease, crinkle] become wrinkled or crumpled or creased; "This fabric won't wrinkle". wn