wink

/wɪŋk/
noun
  1. A quick closing and opening of one eye as a signal or gesture.
    • She responded with a wink, confirming their secret plan.
    • He gave her a wink to show he understood the joke.
    • A wink from the coach told the player to go for it.
  2. A very short period of time; an instant.
    • I'll be there in a wink, just wait a moment.
    • The car disappeared in the wink of an eye.
    • She finished the test in a wink and handed it in.
  3. A tiny flash or twinkle of light.
    • The distant campfire was just a wink of orange in the darkness.
    • The only light was the wink of a single firefly.
    • He saw the wink of a diamond on her finger.
Synonyms
verb
  1. To close and open one eye quickly, often as a signal or gesture.
    • The old man winked slowly, sharing a secret with his grandson.
    • He winked to show he was joking about the surprise.
    • She winked at her friend across the room to let her know the plan was working.
  2. To flash or twinkle on and off, like a light.
    • The lighthouse beacon winked every few seconds to guide ships.
    • The stars winked in the clear night sky.
    • The fireflies winked among the bushes in the summer evening.
  3. To ignore or pretend not to notice something (usually followed by 'at').
    • The teacher winked at the student's small mistake and continued the lesson.
    • They winked at the noise, knowing the children were just having fun.
    • The manager winked at the minor rule-breaking because it helped the team.