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assault rifle

American  

noun

assault rifles plural
  1. a military rifle capable of both automatic and semiautomatic fire, utilizing an intermediate-power cartridge.

  2. a nonmilitary weapon modeled on the military assault rifle, usually modified to allow only semiautomatic fire.


assault rifle British  

noun

  1. a semiautomatic firearm with additional features such as a large magazine, a bayonet fitting, etc

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Noun Inflected Forms

Etymology

Origin of assault rifle

First recorded in 1970–75

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.

In October 2023, Manunya tattooed a Kalashnikov assault rifle onto the forearm of a colleague.

From The Wall Street Journal • Jun. 25, 2026

Sukram Ursa, 21, who surrendered in December, said he had swapped his assault rifle for a government-gifted mobile phone.

From Barron's • Apr. 22, 2026

Beside him, another police officer holds an assault rifle.

From Los Angeles Times • Jan. 26, 2026

Results of ballistics investigations carried out in Ukraine suggested it was impossible to accidentally fire the weapon, an assault rifle, Det Sgt Bullivant told the inquest.

From BBC • Dec. 13, 2024

Now it means a man who carries an assault rifle and who walks in your shadow.

From "The Hot Zone" by Richard Preston

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