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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.
Hughes alleges that the study defines active shooter incidents differently from the FBI. Jenna Sundel, MSNBC Newsweek, 21 Nov. 2025 Slow-motion footage from active shooter training courses, which is overlaid with bombastic opera and accented with a Ruben Östlund-like comic detachment. David Ehrlich, IndieWire, 18 Nov. 2025 He's known for taking on Second Amendment cases and represented Eli Dicken, a bystander who killed an active shooter in 2022 at the Greenwood Park Mall. Marissa Meador, IndyStar, 18 Nov. 2025 One of the primary arguments against banning kids' personal cell phones is that parents want to be able to reach their child if there's an active shooter or emergency; however, Sanborn says that is not what their organization representing school resource officers says is best. Kristine Sorensen, CBS News, 17 Nov. 2025 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

Browse Nearby Words

Cite this Entry

“Active shooter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/active%20shooter. Accessed 26 Nov. 2025.

Last Updated: - Updated example sentences
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