1close and open one eye quickly, typically to indicate that something is a joke or a secret or as a signal of affection or greeting:he winked at Nicole as he passed
(wink at) pretend not to notice (something bad or illegal):the authorities winked at their illegal trade
2(of a bright object or a light) shine or flash intermittently:the diamond on her finger winked in the moonlight
as easy as winking
informal very easy or easily.
in the wink of an eye (or in a wink)
very quickly.
not sleep (or get) a wink (or not get a wink of sleep)
