Definition of light-bulb moment in English:

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light-bulb moment


A moment of sudden realization, enlightenment, or inspiration: I had a light-bulb moment and vowed to start managing my money better for independent inventors, the light-bulb moment must be followed by the long hard slog of production and marketing
More example sentences
  • Then, in a light-bulb moment, I realised that the mates were the problem: I'd give them up.
  • She blurts out some homespun wisdom about avoiding the pitfalls of Hollywood and he has a light-bulb moment.
  • It was a classic light-bulb moment, and I knew I had to figure out how to make those shoes.


From the representation of an illuminated light bulb above a character's head in a cartoon or comic strip, to indicate that they have had an idea.

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