Answer: flickering

AnswerCrossword Clue
flickering(of a feeling or emotion) Be experienced or show itself briefly and faintly, esp. in someone's eyes
flickering(of a flame) Burn fitfully, alternately flaring up and dying down
flickering(of light or a source of light) Shine unsteadily; vary rapidly in brightness
flickering(of a facial expression) Appear briefly
flickeringFLICKER, to burn unsteadily, as of a flame
flickering(of someone's eyes) Move quickly in a particular direction in order to look at something
flickeringMake small, quick movements; flutter rapidly