1.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." "A talent for affairs."
2.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.
3.(Mil.) An action or engagement not of sufficient magnitude to be called a battle.
4.Action; endeavor. (Obs.) "And with his best affair Obeyed the pleasure of the Sun."
5.A material object (vaguely designated). "A certain affair of fine red cloth much worn and faded."
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