Wrinkle

Definitions

1. A small furrow, ridge or crease in an otherwise smooth surface.
2. A surname.
3. A winkle
   US, dialectal
4. A line or crease in the skin, especially when caused by age or fatigue.
5. A fault, imperfection or bug especially in a new system or product; typically, they will need to be ironed out.
6. A twist on something existing; a novel difference.

Equivalents

Examples

“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.””

CEFR level