blink bliNGk/Submit verb 1. shut and open the eyes quickly. "she blinked, momentarily blinded" synonyms: flutter, flicker, wink, bat "his eyes did not blink" 2. (of a light or light source) shine intermittently or unsteadily. "the icon for his email was blinking" synonyms: flash, flicker, wink "several red lights began to blink" noun 1. an act of shutting and opening the eyes quickly. "he was observing her every blink" 2. a momentary gleam of light.