semiautomatic

adjective

semi·​au·​to·​mat·​ic ˌse-mē-ˌȯ-tə-ˈma-tik How to pronounce semiautomatic (audio)
ˌse-ˌmī-
-mi-
Synonyms of semiautomaticnext
: not fully automatic: such as
a
: operated partly automatically and partly by hand
b
of a firearm : able to fire repeatedly through an automatic reloading process but requiring release and another pressure of the trigger for each successive shot
a semiautomatic rifle
semiautomatic noun

Examples of semiautomatic 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.
The majority opinion also pushes back on claims made by the plaintiffs that semiautomatic weapons are not at fault for mass shootings. ABC News, 9 July 2026 The indictment charging Bhagwanpuria also details members of the organized crime group selling semiautomatic rifles, a machine gun and pistols in parking lots across Southern California. Brittny Mejia, Los Angeles Times, 7 July 2026 When another passenger complained that their semiautomatic handgun was missing from their luggage after a June 28 flight, FBI officials tracked an Apple AirTag moving with the weapon, ultimately leading them to Overton, per the outlet. Sean Neumann, PEOPLE, 2 July 2026 Aysha Bagchi The Supreme Court agreed Tuesday to review lawsuits challenging bans on AR-15s and other semiautomatic rifles in both Connecticut and Chicago's Cook County, Illinois. Maureen Groppe, USA Today, 1 July 2026 See All Example Sentences for semiautomatic

Word History

First Known Use

1853, in the meaning defined above

Time Traveler
The first known use of semiautomatic was in 1853

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Cite this Entry

“Semiautomatic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/semiautomatic. Accessed 10 Jul. 2026.

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