Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

English definition of “action”

action

noun [U] (WAR)    /ˈæk.ʃən/
C2 fighting in a war : Her younger son was killed in action. He was reported missing in action. He saw action (= fought as a soldier ) in the trenches .Fighting
(Definition of action noun (WAR) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of action

Browse related topics

You are looking at an entry to do with Fighting, but you might be interested in these topics from the War, peace and fighting topic area:

Definitions of “action” in other dictionaries

Word of the Day

prenuptial agreement

an official document signed by two people before they get married that says what will happen to their possessions and/or children if they divorce (= officially stop being married)

Word of the Day

Blog

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