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light bulb moment

British  

noun

  1. informal a moment of sudden inspiration, revelation, or recognition

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of light bulb moment

C20: from the cartoon image of a light bulb lighting up above a character's head when he or she has an idea

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

But it was a light bulb moment with the swing that made the most profound change.

From Los Angeles Times Jun. 30, 2025

The overwhelming feeling of "love" and sense of "possibilities" he experienced through the scene, that Weatherall helped bring to the masses, was "a real light bulb moment."

From BBC Nov. 4, 2023

That was when Ms. Velasquez had a light bulb moment: She would start a cactus-based natural botanicals company.

From New York Times May 20, 2022

A light bulb moment for a lot of my actors is, I share Russian singing and music, which reflects the speaking rhythms.

From Slate Jul. 24, 2021

FDR's Tennessee Valley Authority program is instructive: You win, make things better for people, and wait for the light bulb moment to arrive.

From Salon Feb. 10, 2021

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