anything done or to be done; anything requiring action or effort; business; concern: an affair of great importance.
affairs, matters of commercial or public interest or concern; the transactions of public or private business or finance: affairs of state; Before taking such a long trip you should put all your affairs in order.
an event or a performance; a particular action, operation, or proceeding: When did this affair happen?
thing; matter (applied to anything made or existing, usually with a descriptive or qualifying term): Our new computer is an amazing affair.
a private or personal concern; a special function, business, or duty: That's none of your affair.