flash flood

noun

: a local flood of short duration generally resulting from heavy rainfall in the immediate vicinity
flash flood verb

Examples of flash flood in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Brownsville, and Houston, Texas; Lake Charles, Louisiana; Jackson, Mississippi; and Atlanta, Georgia are among the cities that could see significant to life-threatening flash floods. Briana Waxman, CNN Money, 16 June 2026 This first round of storms will contribute to an increasing flash flood threat across the region. Albert Ramon, CBS News, 16 June 2026 The strong currents from flash floods can pull drivers off roadways. Ca Weather Bot, Sacbee.com, 16 June 2026 An additional 10 inches or more could fall locally across areas of the Deep South this week, leading to numerous and significant flash flood events. Doyle Rice, USA Today, 16 June 2026 See All Example Sentences for flash flood

Word History

First Known Use

1940, in the meaning defined above

Time Traveler
The first known use of flash flood was in 1940

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Cite this Entry

“Flash flood.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/flash%20flood. Accessed 18 Jun. 2026.

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