downburst

noun

down·​burst ˈdau̇n-ˌbərst How to pronounce downburst (audio)
: a powerful downdraft usually associated with a thunderstorm that strikes the ground and deflects in all directions
also : microburst

Examples of downburst 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 storm was moving northeast at 20 mph with multiple downbursts throughout its lifecycle. June 2, CBS News, 3 June 2026 Rather, the damage was more typical of a strong downburst with winds between 75 mph and 82 mph. Kansas City Star, 2 June 2026 Busalacchi says these efforts have contributed to decades without passenger plane crashes caused by wind shear or downbursts. Scott Neuman, NPR, 19 Dec. 2025 Frequent lightning strikes, isolated damaging downburst winds and marginally severe hail (up to quarter-sized) will be the main threats, according to the NWS. Brayden Garcia, Fort Worth Star-Telegram, 5 Sep. 2025 See All Example Sentences for downburst

Word History

First Known Use

1977, in the meaning defined above

Time Traveler
The first known use of downburst was in 1977

Browse Nearby Words

Cite this Entry

“Downburst.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/downburst. Accessed 7 Jun. 2026.

Kids Definition

downburst

noun
down·​burst ˈdau̇n-ˌbərst How to pronounce downburst (audio)
: a powerful downdraft

More from Merriam-Webster on downburst

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