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.
The strong currents from flash floods can pull drivers off roadways. Nc Weather Bot, Charlotte Observer, 22 Mar. 2026 Most of the state was under a flood watch, with Haleiwa and Waialua in northern Oahu under a flash flood warning, according to the National Weather Service. CBS News, 21 Mar. 2026 Most of the state was under a flood watch, with Haleiwa and Waialua in northern Oahu under a flash flood warning, according to the National Weather Service. Jennifer Sinco Kelleher, Los Angeles Times, 20 Mar. 2026 More heavy rain is possible on Oahu and the rest of the islands through this weekend, and a flash flood watch is in effect until Sunday afternoon. Ritu Prasad, CNN Money, 20 Mar. 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

Browse Nearby Words

Cite this Entry

“Flash flood.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/flash%20flood. Accessed 24 Mar. 2026.

More from Merriam-Webster on flash flood

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster