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English definition of “affair”

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affair

noun [C] uk   /əˈfeər/ us    /-ˈfer/

affair noun [C] (MATTER)

B2 a situation or subject that is being dealt with or considered: She organizes her financial affairs very efficiently. He's always meddling in (= trying to influence) other people's affairs. What I do in my spare time is my affair (= only involves me).B2 a matter or situation that causes strong public feeling, usually of moral disapproval: The arms-dealing affair has severely damaged the reputation of the government. The president's handling of the affair has been criticized.
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affair noun [C] (RELATIONSHIP)

B2 a sexual relationship, especially a secret one: She's having an affair with a married man. The book doesn't make any mention of his love affairs. an extramarital affair
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affair noun [C] (EVENT)

an event: The party turned out to be a quiet affair.

affair noun [C] (THING)

old-fashioned an object of the type stated: She wore a long black velvet affair.
(Definition of affair from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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