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.