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blink

1 blink /ˈblɪŋk/ verb
blinks; blinked; blinking
1 blink
/ˈblɪŋk/
verb
blinks; blinked; blinking
Britannica Dictionary definition of BLINK
: to close and then open your eyes very quickly
[no object]
[+ object]
compare wink
[no object] : to shine with a light that goes on and off
[no object] : to show that you are surprised or upset
[no object] : 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
2 blink /ˈblɪŋk/ noun
plural blinks
2 blink
/ˈblɪŋk/
noun
plural blinks
Britannica Dictionary definition of BLINK
[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