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.
Damage from derechos and downbursts causes more severe, concentrated damage, such as the collapse of a 37-story building in Brazil in 2011. Ashley Belanger, Ars Technica, 21 Feb. 2025 The 56-meter yacht sank within 16 minutes of being struck by a downburst or tornado on the early morning of August 19. Radina Gigova, CNN, 5 Sep. 2024 The chief hazards include pockets of damaging winds caused by downbursts, which are thunderstorm winds that blow downward and then fan out when reaching the ground. Jeff Halverson, Washington Post, 26 June 2024 Straight-line winds, or downbursts, form when cold air rises in a thunderstorm to the point of condensation. Marina Johnson, The Courier-Journal, 3 Apr. 2024 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

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Cite this Entry

“Downburst.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/downburst. Accessed 12 Mar. 2025.

Kids Definition

downburst

noun
down·​burst
ˈdau̇n-ˌbərst
: a powerful downdraft

More from Merriam-Webster on downburst

Last Updated: - Updated example sentences
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