wrinkles
nounUK /ˈrɪŋklz/
US /ˈrɪŋklz/
Small lines or folds that appear on skin or cloth when it gets old or creased.
Grandma has happy wrinkles around her eyes when she smiles.
OTHER MEANINGS
2. Small folds or ridges on the surface of something, like paper or fabric.
He smoothed out the wrinkles in the map before folding it again.
3. To make small lines or folds appear on a surface.
Sitting in the sun can wrinkle your skin over time.
4. Small problems or difficulties in a plan or situation.
We need to iron out a few wrinkles in the schedule before the event.