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English definition of “act”


verb [I] (DO SOMETHING)   /ækt/
to do something for a particular purpose or in a particular way: [+ to infinitive] The president acted quickly to bring federal aid to areas damaged by flooding . She acted responsibly . He acted as if he’d never seen me before. She acted as (= performed in the position of) a tour guide for the group . He said he was acting on (= doing something as a result of) the advice of his lawyer .
(Definition of act verb (DO SOMETHING) from the Cambridge Academic Content Dictionary © Cambridge University Press)
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