public/political activities1 affairs [plural] events that are of public interest or political importanceworld/international/business affairsan expert on foreign affairs (= political events in other countries)affairs of state
event2 [countable, usually singular] an event that people are talking about or describing in a particular wayThe newspapers exaggerated the whole affair wildly.The debate was a pretty disappointing affair.She wanted the celebration to be a simple family affair.
relationship3 [countable] a sexual relationship between two people, usually when one or both of them is married to someone elseShe is having an affair with her boss. see also love affair
private business4 affairs [plural] matters connected with a person's private business and financial situationI took care of my father's financial affairs.She wanted to put her affairs in order before she died.5 [singular] a thing that someone is responsible for (and that other people should not be concerned with) synonym businessHow I spend my money is my affair.
object6 [countable] (old-fashioned) (with an adjective) an object that is unusual or difficult to describeHer hat was an amazing affair with feathers and a huge brim.
a state of affairs
a situation, usually a bad oneThis state of affairs can no longer be ignored.a state of affairs