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
semiautomatically adverb

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.
Amazon Breville’s Barista Express is our favorite all-in-one semiautomatic espresso machine. Scott Gilbertson, Wired News, 20 June 2026 Both men have been arraigned in 37th District Court in Warren with nine charges each of weapons – firearms – devices to convert semiautomatic to automatic, along with one charge each of weapons – felony firearm, the sheriff's office said. Paula Wethington, CBS News, 12 June 2026 Kamani Jermaine Taylor, 26, was also charged Tuesday with six counts of assault with a semiautomatic firearm, shooting at an occupied vehicle, shooting at an unoccupied vehicle and child abuse, according to a news release from the Alameda County District Attorney’s Office. Caelyn Pender, Mercury News, 10 June 2026 According to Schubert, during his second arrest, Weathers was in possession of a semiautomatic handgun in the vicinity of Del Paso Heights Elementary School when riding down the wrong side of the street on a bicycle. Reeti Malhotra, Sacbee.com, 1 June 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 25 Jun. 2026.

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