wrinkle

Definition

A small furrow, ridge or crease in an otherwise smooth surface.

Etymology

From Middle English wrinkle, wrynkel (“crease, fold, wrinkle”), from the verb (see below). Cognate with Dutch wrinkel (“wrinkle, crease”). Compare also Middle English runkel (“wrinkle”), from Old Norse hrukka (“wrinkle”), from Proto-Germanic *hrunkǭ (“wrinkle, crease”), whence also French fronce (“crooked smile, scowl, frown”), German Runzel (“wrinkle”).

Example Sentences

• "Spending time out in the sun may cause you to develop wrinkles sooner."
• "Three months later, we're still discovering new wrinkles."
• "There were now a grab bag of southern country-rock units with a new wrinkle—Black Oak Arkansas, for one, combined psychedelia, fifties rock, Hindu spiritualism, and gospel into “psycho-boogie,” or “raunch 'n' roll.”"