flash-bang

noun

variants or flash-bang grenade or flash grenade
plural flash-bangs or flash-bang grenades or flash grenades
: an explosive device that produces a blinding flash of light and a sudden, loud noise intended to temporarily stun, distract, and disperse people and that is thrown by hand or projected
Flash-bangs have become a popular but controversial diversionary tactic used by SWAT teams. The devices give officers key seconds to make tactical moves and are especially useful in hostage situations.Michael S. Rosenwald
When armed motorcades arrive at the entrance, Marines toss flash-bang grenades to clear the crowd.Gregg Zoroya
Late in the afternoon, officers fired about a dozen flash grenades at the suspect. The loud, bright projectiles seemed to disorient him, and officers were able to rush in and take him into custody.Jenna Lyons and Peter Fimrite

called also stun grenade

Examples of flash-bang 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.
Federal agents have used flash-bang grenades and tear gas to disperse crowds from Paramount to downtown to the Garment District. Gustavo Arellano, Los Angeles Times, 9 June 2025 In response, federal agents in riot gear unleashed tear gas, flash-bang explosives and pepper balls. Jake Offenhartz, Chicago Tribune, 8 June 2025 The law enforcement personnel used flash-bang devices to disperse the crowds that blocked their vehicles. Alex Riggins, San Diego Union-Tribune, 8 June 2025 Police declared an unlawful assembly and responded by firing tear gas, pepper spray and flash-bang concussion rounds toward the crowd. Bart Jansen, USA Today, 8 June 2025 The immigration authorities discharged flash-bangs, leading to a chaotic scene. Martin Kaste, NPR, 6 June 2025 Then a flash-bang grenade detonated in a burst of white in a front room. Bart Jansen, USA Today, 29 Apr. 2025 Martin stopped coaching track because the starting pistol reminded her of the flash-bang grenade the agents set off. Sudhin Thanawala and Lindsay Whitehurst, Los Angeles Times, 27 Apr. 2025 The initial jolt came fast and furious, starting with a flash-bang grenade in her living room. Dylan Moore, National Review, 1 Mar. 2025

Word History

First Known Use

1954, in the meaning defined above

Time Traveler
The first known use of flash-bang was in 1954

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Cite this Entry

“Flash-bang.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/flash-bang. Accessed 16 Jun. 2025.

Last Updated: - Updated example sentences
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