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Definition of semiautomatic

semiautomatic

/ˌsɛm.i.ɑː.təˈmæt̬.ɪk/
(UK: semi-automatic)
sem · i · au · to · mat · ic
Adverb:semiautomatically
•
Plural:semiautomatics
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semiautomatic Lexical Profile

semiautomatic Game Scores & Validity

• adjective

1

Relating to a firearm that automatically ejects the spent cartridge case and loads the next round into the chamber after each shot, but requires a separate pull of the trigger to fire again.

Example

"Competitive target shooters at the Olympic range must follow strict safety protocols when handling semiautomatic equipment."

2

Operating partly by self-acting machinery and partly by human control or intervention.

Example

"The factory upgraded its packaging line with a semiautomatic labeling machine to improve efficiency."

Synonyms
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Antonyms
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• noun

1

A firearm or mechanical device that operates on a self-loading or partially automated mechanism.

Example

"The historical museum's mechanical exhibit explained the engineering transition from single-action mechanisms to modern semiautomatics."

Synonyms
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• Rhymes for semiautomatic

• Nearby Words

semiarid
semiautobiographical
semiautomated
semiautomatic
semiautomatically
semiautonomous
semibasement

Cite this Entry

Wordmom. (2026). Definition of Semiautomatic. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/semiautomatic
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