wink

When you wink, you quickly close and open one eye. Sometimes a wink indicates a joke, a secret, or affection — and sometimes it just means you got something in your eye.

Whenever your jokester uncle winks at you, it's like a private signal letting you know that the next thing he says will be a tall tale. Your best friend's wink might mean "Can you believe what the math teacher just said?" A wink is an often humorous way to communicate without speaking — but it requires some understanding between the winker and the person seeing the wink. Otherwise, it's nothing but an eye twitch.

Definitions of wink
1

n a reflex that closes and opens the eyes rapidly

Synonyms:
blink, blinking, eye blink, nictation, nictitation, winking
Types:
palpebration
repeated blinking or winking (especially if uncontrolled and persistent)
Type of:
inborn reflex, innate reflex, instinctive reflex, physiological reaction, reflex, reflex action, reflex response, unconditioned reflex
an automatic instinctive unlearned reaction to a stimulus

n closing one eye quickly as a signal

Type of:
facial expression, facial gesture
a gesture executed with the facial muscles

n a very short time (as the time it takes the eye to blink or the heart to beat)

Synonyms:
New York minute, blink of an eye, flash, heartbeat, instant, jiffy, split second, trice, twinkling
Type of:
bit, minute, mo, moment, second
an indefinitely short time

v briefly shut the eyes

Synonyms:
blink, nictate, nictitate
Types:
palpebrate
wink or blink, especially repeatedly
bat, flutter
wink briefly
Type of:
act involuntarily, act reflexively
act in an uncontrolled manner

v force to go away by blinking

Synonyms:
blink, blink away
Type of:
conquer, curb, inhibit, stamp down, subdue, suppress
to put down by force or authority

v signal by winking

“She winked at him”
Type of:
gesticulate, gesture, motion
show, express, or direct through movement

v gleam or glow intermittently

Synonyms:
blink, flash, twinkle, winkle
Types:
flick, flicker
flash intermittently
Type of:
radiate
cause to be seen by emitting light as if in rays

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