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.
Police worry, however, that a trend toward players ambushing others while wearing masks and camouflage and painting their weapons black to look real could cause concealed carry holders to feel threatened, perceive them as active shooters, and fire at the teens with real bullets. Daniel I. Dorfman, Chicago Tribune, 24 Apr. 2025 When the alert went out about an active shooter at Florida State University, Jessica Ikner was on duty about two miles away at Raa Middle School. Kate Payne and Heather Hollingsworth, Los Angeles Times, 19 Apr. 2025 An active shooter was reported on Florida State University's campus in Tallahassee, according to an alert sent from the university. Arianna Otero, USA Today, 18 Apr. 2025 An active shooter was on campus, and their friend was hiding in the library. Alaa Elassar, CNN Money, 18 Apr. 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

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Cite this Entry

“Active shooter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/active%20shooter. Accessed 29 Apr. 2025.

Last Updated: - Updated example sentences
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