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
Ahead, these are our favorite low-maintenance, fast-growing perennials that will spread and fill in your garden in a flash.
—
Arricca Elin Sansone, Southern Living, 20 June 2025
Several other shoppers found that these towels dry you off — and air themselves out — in a flash.
—Clint Davis, People.com, 16 June 2025
The second tornado warning was at 2:08 p.m. As of 2:16 p.m., all of Johnson County is in a flash flood warning until 7 p.m.
Residents can sign up for alerts at notifyjoco.org.
—Taylor O’Connor, Kansas City Star, 3 June 2025
There are endless stories about entrepreneurs who had a moment of inspiration, raised plenty of capital and built valuable businesses, seemingly in a flash.
—David Prosser, Forbes.com, 3 June 2025
See All Example Sentences for in a flash
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Arricca Elin Sansone, Southern Living, 20 June 2025
Several other shoppers found that these towels dry you off — and air themselves out — in a flash.
—Clint Davis, People.com, 16 June 2025
The second tornado warning was at 2:08 p.m. As of 2:16 p.m., all of Johnson County is in a flash flood warning until 7 p.m.
Residents can sign up for alerts at notifyjoco.org.
—Taylor O’Connor, Kansas City Star, 3 June 2025
There are endless stories about entrepreneurs who had a moment of inspiration, raised plenty of capital and built valuable businesses, seemingly in a flash.
—David Prosser, Forbes.com, 3 June 2025
See All Example Sentences for 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 1 Jul. 2025.
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