Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “semiautomatic”


adjective [not gradable]  /ˌsem·iˌɔt̬·əˈmæt̬·ɪk, ˌsem·ɑɪ-/ us  
(of a gun) having a bullet in position and ready for firing when the trigger is pulled: a semiautomatic pistol/rifle
(Definition of semiautomatic from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of semiautomatic?
Add Cambridge dictionaries to your browser to your website

Word of the Day


When birds roost, they go somewhere to rest or sleep.

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More