action - definition in the Learner's Dictionary - Cambridge Dictionaries Online

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English definition of “action”

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action

noun
 
 
/ˈækʃən/
DO [C, U] B2 something that you do: She has to accept the consequences of her actions. We must take action (= do something) before the problem gets worse. So what do you think is the best course of action (= way of dealing with the situation)? It was the first time I'd seen firemen in action (= doing a particular activity).Acting and actsDealing with things or people
ACTIVITY [U] B1 things that are happening, especially exciting or important things: He likes films with a lot of action. →  Opposite inaction Events and occurrencesAccidents and disasters
out of action damaged or hurt and not able to operate or play sports: I'm afraid my car's out of action. They've got three players out of action.Not functioning
legal action a legal process in a court: They are planning to take legal action against the company.Court cases, orders and decisions
FIGHTING [U] fighting in a war: He was killed in action (= while fighting).Fighting
PROCESS [no plural] a movement or natural process: The rocks are smoothed by the action of water. →  See also industrial action , be all talk (and no action) Movement
(Definition of action from the Cambridge Learners Dictionary © Cambridge University Press)
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