If a light or flame flickers, it shines unsteadily. A television flickered in the corner. Flicker is also a noun. Looking through the cabin window I saw the flicker of flames
Impression of fluctuating luminance or color Floodlight Projector designed for floodlighting, usually capable of being pointed in any direction and of weatherproof construction
When the image on the display is not refreshed fast enough, it appears to flicker or quiver as it dims and brightens repeatedly The term Flicker Free is now used to describe those monitors with refresh rates high enough that flicker is unnoticeable to the human eye Generally, refresh rates of 70Hz or higher are considered to be flicker free
North American woodpecker a momentary flash of light move back and forth very rapidly; "the candle flickered"
The act of wavering or of fluttering; fluctuation; sudden and brief increase of brightness; as, the last flicker of the dying flame