flickering
Definitions
Shining unsteadily; varying rapidly in brightness.
Moving or fluttering in a light, quick, or irregular way.
Examples
The flickering candle cast long, dancing shadows against the walls of the old library.
She stared at the flickering neon sign outside her window until it finally buzzed and went dark.
A flickering light in the hallway suggested that the electrical wiring needed immediate attention.
Synonyms
blinking flashing twinkling shimmering wavering glimmering quivering