Definitions of flicker:

  • noun:   North American woodpecker
  • noun:   a momentary flash of light
  • noun:   the act of moving back and forth
  • verb:   flash intermittently
  • verb:   shine unsteadily
    Example: "The candle flickered"
  • verb:   move back and forth very rapidly
    Example: "The candle flickered"
  • name:  A surname (very rare: popularity rank in the U.S.: #24673)