To close and open one or both of the eyes rapidly.
To look through half-closed eyes, as in a bright glare; squint.
To shine with intermittent gleams; flash on and off.
To be startled or dismayed.
To waver or back down, as in a contest of wills: "This was the first genuine, direct confrontation between this administration and the Soviets. It was the U.S.A. that blinked” ( Zbigniew Brzezinski).
To look with feigned ignorance: a mayor who blinks at the corruption in city government.
To cause to blink.
To hold back or remove from the eyes by blinking: blinked back the tears.
To refuse to recognize or face: blink ugly facts.
To transmit (a message) with a flashing light.
The act or an instance of rapidly closing and opening the eyes or an eye.