wrinkling Definition

wrinkle¹
noun

1. A crease or line in the skin, especially of the face, appearing with advancing age.

Thesaurus: crease, line, furrow, crow's foot, rumple, crinkle, pucker.
2. A slight crease or ridge in any surface.
3. A minor problem or difficulty to be smoothed out.

verb

tr & intr
wrinkled, wrinkling
1. To develop or make something develop wrinkles.

Thesaurus: crinkle, crease, furrow, line, rumple, corrugate; Antonym: smooth.

Etymology: Anglo-Saxon wrinclian to wind round.