The noun wrinkle has 3 senses (first 1 from tagged texts)
1. (4) wrinkle, furrow, crease, crinkle, seam, line -- (a slight depression in the smoothness of a surface; "his face has many lines"; "ironing gets rid of most wrinkles")
2. wrinkle -- (a minor difficulty; "they finally have the wrinkles pretty well ironed out")
3. wrinkle -- (a clever method of doing something (especially something new and different))
Overview of verb wrinkle
The verb wrinkle has 4 senses (first 2 from tagged texts)
1. (2) purse, wrinkle -- (gather or contract into wrinkles or folds; pucker; "purse ones's lips")
2. (1) wrinkle, ruckle, crease, crinkle, scrunch, scrunch up, crisp -- (make wrinkles or creases into a smooth surface; "The dress got wrinkled")