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.
Despite the frequency of such incidents, universities continue to direct a massive amount of their safety budgets toward robust emergency notification systems (ENS) designed for active shooter events or widespread public safety threats. Kevin Mullins, Forbes.com, 28 May 2025 The look is in stark defiance of a proliferating security mentality in schools to stop active shooters. Howard Blume, Los Angeles Times, 23 May 2025 Las Vegas police open fire on active shooter at health club Las Vegas police released video and 911 audio of officers responding to an active shooter at a health club on May 16, 2025. Greg Wehner, FOXNews.com, 20 May 2025 After the shooting started at about 11:50 a.m., FSU sent a text notifying the community of the active shooter. Kinsey Crowley, USA Today, 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 6 Jun. 2025.

Last Updated: - Updated example sentences
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