noun action; endeavor.
2. affair ·noun a material object (vaguely designated).
3. affair ·noun an action or engagement not of sufficient magnitude to be called a battle.
4. affair ·noun any proceeding or action which it is wished to refer to or characterize vaguely; as, an affair of honor, ·i.e., a duel; an affair of love, ·i.e., an intrigue.
5. affair ·noun 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.