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English definition of “agent”

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agent

noun [C] uk   /ˈeɪ.dʒənt/ us  

agent noun [C] (REPRESENTATIVE)

B2 a person who acts for or represents another: Please contact our agent in Spain for further information. a person who represents an actor, artist, or writer
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agent noun [C] (SPY)

B2 someone who works secretly for the government or other organization: a secret/foreign agent

agent noun [C] (CAUSE)

a person or thing that produces a particular effect or change: a powerful cleaning agent a raising agent for cakes a clotting agent literary He was the agent of their destruction.
(Definition of agent from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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