in a flash
idiom
informal
: very quickly or suddenly
I'll be back in a flash.
The idea came to me in a flash.
Examples of in a flash in a Sentence
Recent Examples on the Web
Trilobites caught up in a flash of volcanic activity
Chemical analysis of oxygen levels in the sediments in and around the specimens revealed that the trilobites’ guts were stuffed with ash, likely swallowed as the animals suffocated on ash clouds in seawater, the study authors wrote.
—
Mindy Weisberger, CNN, 9 July 2024
The cases begin to explode in a flash of yellow before the camera goes dark.
—Max Kim, Los Angeles Times, 28 June 2024
This could sweep your vehicle away in a flash flood.
—Annie Goodykoontz, The Arizona Republic, 23 June 2024
All of those people in a flash went away, but the buildings were still standing.
—Escher Walcott, Peoplemag, 17 June 2024
See all Example Sentences for in a flash 
Mindy Weisberger, CNN, 9 July 2024
The cases begin to explode in a flash of yellow before the camera goes dark.
—Max Kim, Los Angeles Times, 28 June 2024
This could sweep your vehicle away in a flash flood.
—Annie Goodykoontz, The Arizona Republic, 23 June 2024
All of those people in a flash went away, but the buildings were still standing.
—Escher Walcott, Peoplemag, 17 June 2024
See all Example Sentences for in a flash
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'in a flash.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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“In a flash.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/in%20a%20flash. Accessed 26 Jul. 2024.
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