
Flicker
Unreliable Light
Use 'flicker' for lights that are unpredictable and don't stay constant

The lights began to flicker during the storm.
Imminent Change
'Flicker' often implies a light is about to change, often going out or being unstable.

The old TV's image flickered before turning to static.
Sign of Life
A 'flicker' of something can suggest a small, barely noticeable sign of it.

There was a flicker of recognition in his eyes.
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