Meaning & use

semiautomatic

adjective·Everyday

Describing a machine, especially a firearm, that performs part of a repeated action automatically but needs a manual trigger pull for each cycle.

See it in a sentence

The semiautomatic rifle fires one round each time the trigger is pulled, then reloads itself.

She upgraded to a semiautomatic camera that adjusts focus automatically while she controls the shutter speed.

A note on using this word

Semiautomatic is often confused with fully automatic, which fires continuously while the trigger is held down.

Words with a similar meaning

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