wrinkle definition

1. a slight depression in the smoothness of a surface
• examples: his face has many lines
• examples: ironing gets rid of most wrinkles
2. a minor difficulty
• examples: they finally have the wrinkles pretty well ironed out
3. a clever method of doing something (especially something new and different)
4. make wrinkles or creases on a smooth surface; make a pressed, folded or wrinkled line in
• examples: The dress got wrinkled
• examples: crease the paper like this to make a crane