I. flick ‧ er 1 /ˈflɪkə $ -ər/ BrE AmE verb [intransitive]
[ Language: Old English ; Origin: flicorian ]
1 . to burn or shine with an unsteady light that goes on and off quickly:
The overhead lights flickered momentarily.
2 . [always + adverb/preposition] if an emotion or expression flickers on someone’s face or through their mind, it exists or is shown for only a short time
flicker across/through/on etc
A puzzled smile flickered across the woman’s face.
3 . to quickly make a sudden small movement or series of movements:
Polly’s eyelids flickered, then she slept.
II. flicker 2 BrE AmE noun [countable]
1 . an unsteady light that goes on and off quickly
flicker of
the flicker of the firelight
2 . a flicker of emotion/uncertainty/excitement etc a feeling or expression that continues for a very short time:
She saw a flicker of doubt in his eyes.
3 . a quick sudden movement or series of movements