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
He was gone in a flash, however, disappearing through the crowd and heading back to a car on the outskirts of the park.
—
Reed Putman, CNN, 28 Oct. 2024
The song recently made an appearance at a Canadian wedding that went viral last month after a bride and groom’s guests surprised them by dancing in a flash mob to the upbeat anthem.
—Kimberlee Speakman, People.com, 25 Oct. 2024
But then the mystery more or less fades from view, to be replaced by another that comes and goes in a flash but lingers like an afterimage.
—Judith Shulevitz, The Atlantic, 24 Oct. 2024
And then in a flash the book vanished, never to be seen again.
—Lauren Groff, New York Times, 17 Oct. 2024
See all Example Sentences for in a flash 
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Reed Putman, CNN, 28 Oct. 2024
The song recently made an appearance at a Canadian wedding that went viral last month after a bride and groom’s guests surprised them by dancing in a flash mob to the upbeat anthem.
—Kimberlee Speakman, People.com, 25 Oct. 2024
But then the mystery more or less fades from view, to be replaced by another that comes and goes in a flash but lingers like an afterimage.
—Judith Shulevitz, The Atlantic, 24 Oct. 2024
And then in a flash the book vanished, never to be seen again.
—Lauren Groff, New York Times, 17 Oct. 2024
See all Example Sentences for in a flash
Dictionary Entries Near in a flash
Cite this Entry
“In a flash.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/in%20a%20flash. Accessed 8 Nov. 2024.
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