active shooter

[ ak-tiv shoo-ter ]

/ ˈæk tɪv ˈʃu tər /

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noun

a person who is presently using a gun to shoot people in a confined and populated area.

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Origin of active shooter

First recorded in 1965–70

Words nearby active shooter

active principle, active reason, active repressor, active safety, active service, active shooter, active site, active splint, active sun, active transport, active vocabulary

How to use active shooter in a sentence

As part of their training, the security companies are primed on how to deal with all kinds of situations including responding to an active shooter.
As NYC Pride nears, ban on police seen as support for trans, BIPOC attendees|Prince Chingarande|June 15, 2021|Washington Blade
“The United States had gone to war declaring it must destroy an active weapons of mass destruction program,” the Times reported.
Political Memes That Absolutely Must Die in 2015|Asawin Suebsaeng|January 1, 2015|DAILY BEAST
To judge her acting abilities for yourself, check out her videos on YouTube for “Sex Shooter.”
Speed Read: The Juiciest Bits From the History of ‘Purple Rain’|Jennie Yabroff|January 1, 2015|DAILY BEAST
Almost immediately, another group active at the protests called the Justice League snitches.
De Blasio and the New York City Protesters Have No Blood on Their Hands|Jacob Siegel|December 22, 2014|DAILY BEAST

Along the river, crumbling remnants of an active trading hub are overtaken by nature.
The Congo's Forgotten Colonial Getaway|Nina Strochlic|December 18, 2014|DAILY BEAST
But, under the hawkish eye of the media and through a heavily active social media presence, she carried on as usual.
Nicki Minaj Bares Her Own Vulnerability on ‘The Pinkprint’|Rawiya Kameir|December 16, 2014|DAILY BEAST
"Here's my authority, yuh blasted runt," he yelled, and jerked his six-shooter to a level with the policeman's breast.
Raw Gold|Bertrand W. Sinclair
We must have motif first, then technique to adapt and adjust expression and to develop facility in the active agents.
Expressive Voice Culture|Jessie Eldridge Southwick
With the announcement of the thirty-six directors, it was possible to proceed to the active opening of the institutions.
Readings in Money and Banking|Chester Arthur Phillips
He became one of the assistants of Mr. Wesley, and was active in the service of the church.
The Every Day Book of History and Chronology|Joel Munsell
The opposite of these two methods of rote learning is my method, which injects an active process between each pair of words.
Assimilative Memory|Marcus Dwight Larrowe (AKA Prof. A. Loisette)