assault rifle

noun

Synonyms of assault riflenext
: any of various intermediate-range, magazine-fed military rifles (such as the AK-47) that can be set for automatic or semiautomatic fire
also : a rifle that resembles a military assault rifle but is designed to allow only semiautomatic fire

Examples of assault rifle in a Sentence

Recent Examples on the Web
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Video from that day shows a chaotic crime scene, with officers armed with assault rifles. Asal Rezaei, CBS News, 3 Feb. 2026 One of them carried an assault rifle, later determined to be an AR-15, its strap slung high across his chest. Scott Eden, Rolling Stone, 1 Feb. 2026 As the New Year is announced, the video shows two large assault rifles lying on the hood of a car then a man in a black hoodie shooting several rounds off the side of the highway to the ground below. Timia Cobb breaking News Reporter, Dallas Morning News, 29 Jan. 2026 That sweep drew instant protesters, including at least one person carrying what appeared to be an assault rifle. Amanda Luberto, AZCentral.com, 28 Jan. 2026 See All Example Sentences for assault rifle

Word History

First Known Use

1950, in the meaning defined above

Time Traveler
The first known use of assault rifle was in 1950

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Cite this Entry

“Assault rifle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/assault%20rifle. Accessed 13 Feb. 2026.

Kids Definition

assault rifle

noun
: any of various especially automatic rifles designed for military use

called also assault weapon

More from Merriam-Webster on assault rifle

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