Definition of “affair” - English Dictionary

“affair” in British English

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affairnoun [ C ]

uk /əˈfeər/ us /əˈfer/

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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(Definition of “affair” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“affair” in American English

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affairnoun [ C ]

us /əˈfeər/

affair noun [ C ] (SITUATION)

a situation or subject that is being dealt with or considered; a matter:

The meeting was addressed by an expert in South American affairs.
What I do in my spare time is my own affair (= a private matter).

affair noun [ C ] (RELATIONSHIP)

a sexual relationship, esp. a secret one

affair noun [ C ] (EVENT)

an event:

Their wedding was a pretty boring affair.

(Definition of “affair” from the Cambridge Academic Content Dictionary © Cambridge University Press)