active shooter
Americannoun
Etymology
Origin of active shooter
First recorded in 1965–70
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Just like other students at Brown University, she was distraught after receiving an active shooter alert from the university's department of public safety.
From BBC • Dec. 14, 2025
In 2019, deputies designing active shooter training in Marina del Rey accidentally started a fire while testing a flashbang trainer, a nonexplosive version of a flashbang, or stun grenade.
From Los Angeles Times • May 24, 2024
That panel’s 77-page report revealed that a total of 376 law enforcement officers descended upon the school in an uncoordinated manner, disregarding their own active shooter training.
From Salon • May 23, 2024
With a background in law enforcement, Burgans also set up active shooter training.
From Seattle Times • Feb. 28, 2024
The local school police chief had classified the incident as a barricaded subject instead of an active shooter situation, which would have called for a more aggressive approach.
From New York Times • Jan. 19, 2024
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
