flicker UK /ˈflɪkə/US /ˈflɪkɚ/verb 3noun 5forms 4 verb3 •To burn or shine unsteadily, or with a wavering light.The shadows flicker to and fro. — 1832 •To keep going on and off; to appear and disappear for short moments; to flutter.A strong desire to smash up everything in the room kept flickering in his head. •To flutter or flap.And flickering on her nest made short essays to sing. — 1700 noun5 •An unsteady flash of light. •(figurative) A short moment.a flicker of recognition passed through my mind. •(US) Any of certain small woodpeckers, especially of the genus Colaptes. •One who flicks. •(informal) Ellipsis of channel flicker (“remote control”). formsflickered · flickering · flickereth · flickers