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
Housekeeping comes and goes in a flash and leaves chocolates on your pillow at turn-down.
—
Todd Plummer, Condé Nast Traveler, 22 Jan. 2026
And while more may see the FIFA World Cup games at the Santa Clara stadium this summer, those six games will go by in a flash.
—Sal Pizarro, Mercury News, 15 Jan. 2026
Williams clubbed aside Bozeman, got to Herbert in a flash and sent him flying to the turf like a 6-foot-6 bowling pin.
—Tom Krasovic, San Diego Union-Tribune, 13 Jan. 2026
The 5-year-old boy from Royal Oak died when he was engulfed in a flash fire inside a hyperbaric chamber at the center's Troy location.
—Kristen Jordan Shamus, Freep.com, 12 Jan. 2026
See All Example Sentences for in a flash
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Todd Plummer, Condé Nast Traveler, 22 Jan. 2026
And while more may see the FIFA World Cup games at the Santa Clara stadium this summer, those six games will go by in a flash.
—Sal Pizarro, Mercury News, 15 Jan. 2026
Williams clubbed aside Bozeman, got to Herbert in a flash and sent him flying to the turf like a 6-foot-6 bowling pin.
—Tom Krasovic, San Diego Union-Tribune, 13 Jan. 2026
The 5-year-old boy from Royal Oak died when he was engulfed in a flash fire inside a hyperbaric chamber at the center's Troy location.
—Kristen Jordan Shamus, Freep.com, 12 Jan. 2026
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 25 Jan. 2026.
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