English to English
1. a vaguely specified concern
several matters to attend to|it is none of your affair|things are going well
2. a usually secretive or illicit sexual relationship
3. a vaguely specified social event
the party was quite an affair|an occasion arranged to honor the president|a seemingly endless round of social functions
4. That which is done or is to be done; matter; concern; as, a difficult affair to manage; business of any kind, commercial, professional, or public; -- often in the plural. "At the head of affairs." Junius.