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active

 
 
/ˈæktɪv/ adjective

Definition

INVOLVED very involved in an organization or planned activity: an active member of the church He played an active role in the campaign.
BUSY doing a lot of things, or moving around a lot: Even at the age of 80 she's still very active.
GRAMMAR An active verb or sentence is one in which the subject of the verb is the person or thing doing the action. For example 'Andy drove the car.' is an active sentence. → Compare passive adjective
VOLCANO An active volcano could throw out rocks, fire, etc at any time.
(Definition of active adjective from the Cambridge Learner's Dictionary © Cambridge University Press)

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