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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.

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

From Los Angeles Times

She’d often mix her mayo with Marconi hot giardiniera relish to make her own sauce, which sparked the light bulb moment.

From Los Angeles Times

“I noticed that my kids just didn’t differentiate. It was just such a light bulb moment for me. This is how it should be. More exposure to the full spectrum of humanity.”

From Los Angeles Times

And that painful incident eight years ago was her “light bulb moment.”

From Los Angeles Times

All his tinkering, spread across thousands of practice throws, led to a “light bulb moment” in that barn in December 2022.

From Los Angeles Times