Dictionary definition · crinkle
noun
- a slight depression or fold in the smoothness of a surface"his face has many lines"
verb
- make wrinkles or creases on a smooth surface; make a pressed, folded or wrinkled line in; ‘crisp’ is archaic"The dress got wrinkled"
- become wrinkled or crumpled or creased"This fabric won't wrinkle"
Source: Open English WordNet (CC BY 4.0).