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.
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 But the most significant fallout came from a violent police response that saw officers deploy tear gas, flash-bang grenades and foam and rubber projectiles to break up crowds, which have since been either heavily restricted or banned from being used solely for crowd control. Robert Salonga, The Mercury News, 24 Jan. 2025 Be careful as the flex gadgets affect your teammates too, so don't accidentally flash-bang them. Rahul Majumdar, Newsweek, 12 Dec. 2024 Brandon Boyd’s family has called for accountability for the shooting, saying police escalated the situation by using a flash-bang. Emily Alpert Reyes, Los Angeles Times, 8 Dec. 2024 Martin heard the sound of a flash-bang grenade exploding, mixed with pounding and shouting. Dylan Moore, National Review, 10 Oct. 2024 That night residents, protesters and journalists in Brooklyn Center met with members of Operation Safety Net, an aggressive coalition of Minnesota National Guard soldiers, state troopers and local police who used tear gas and flash-bangs to clear the streets. Jessica Lussenhop, ProPublica, 19 Sep. 2024

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 15 May. 2025.

Last Updated: - Updated example sentences
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