A matter or situation regarded as being of a particular type or having a particular significance. The whole affair was handled with great discretion.
A romantic or sexual relationship, especially a secret or illicit one. She discovered that her husband was having an affair with a colleague.
An event or sequence of events of a specified kind or that has previously been referred to. The wedding was a grand affair attended by hundreds of guests.
affairs (plural): matters of public, commercial, or personal concern, especially those involving management or administration She specializes in the economic affairs of developing countries.
An object, device, or contraption whose exact name is unknown or not specified He fixed the leaking pipe with a clever little plastic affair he bought at the hardware store.