active shooter

noun

plural active shooters
: a person who is illegally using a firearm to kill or try to kill people especially in a public place : a person who is shooting at people
Stunned shoppers and mall employees initially mistook the sound of glass breaking for gunshots, leading to false rumors of an active shooter.Caitlin Antonios
active shooter drills

Examples of active shooter 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.
Earlier this year, its clergy and staff underwent active shooter prevention and preparedness training, according to a post on Temple Israel's Facebook page. Arkansas Online, 14 Mar. 2026 Employees at the synagogue had taken an active shooter prevention training class just weeks earlier, and the building had bollards placed around it in an attempt to slow a ramming attack. Ray Sanchez, CNN Money, 14 Mar. 2026 And in January, Temple Israel's staff and clergy participated in an active shooter prevention and preparedness training lead by an FBI official, according to the synagogue's social media accounts. ABC News, 14 Mar. 2026 On occasion, police or dispatchers receive reports of active shooters, but investigations show that shots were not involved. Darcie Moran, Freep.com, 14 Mar. 2026 See All Example Sentences for active shooter

Word History

First Known Use

1999, in the meaning defined above

Time Traveler
The first known use of active shooter was in 1999

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Cite this Entry

“Active shooter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/active%20shooter. Accessed 18 Mar. 2026.

Last Updated: - Updated example sentences
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