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.
Torrential rains also hit New Jersey, where flash flood warnings were issued for several counties. Ray Sanchez, CNN Money, 18 July 2026 The museum closed early on Saturday and will remain closed Sunday due to the flash flood warning, according to a statement posted on Instagram. Tessa Solomon, ARTnews.com, 18 July 2026 That work was far from done when a new round of storms began pummeling the state this week, triggering catastrophic flash floods in some of the same areas devastated in 2025. ABC News, 18 July 2026 The decision followed steady rain for much of Saturday, which prompted a flash flood warning in New York. Peter Sblendorio, New York Daily News, 18 July 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 Jul. 2026.

More from Merriam-Webster on flash flood

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