verb
    
    blinks; blinked; blinking
    
    to close and then open your eyes very quickly [no obj]
    
    
    
    
    
    
    
    [no obj] :to shine with a light that goes on and off
    
    
    
    [no obj] :to show that you are surprised or upset
    
    
    
    
    
    [no obj] :to show weakness in an argument or disagreement :to show that you are willing to agree to or accept what someone else wants or says
    
    
    
    
    
    before you can blink
    
    informal :very quickly
    
    
    
    blink back tears
    
    or blink away tears
    
    to prevent yourself from crying or to make your tears go away by blinking
    
    
    
    noun
    
    plural blinks
    
    [count] :the act of closing and then opening your eyes very quickly :the act of blinking
    
    in the blink of an eye
    
    very quickly
    
    
    
    
    
    on the blink
    
    informal :not working properly