n. 25B6; noun
what you do is your affair : BUSINESS, concern, matter, responsibility, province, preserve; problem, worry; Brit. informal lookout.
( affairs ) his financial affairs : TRANSACTIONS, concerns, matters, activities, dealings, undertakings, ventures, business.
the board admitted responsibility for the affair : EVENT, incident, happening, occurrence, eventuality, episode; case, matter, business.
his affair with Anthea was over : RELATIONSHIP, love affair, affaire (de cur), romance, fling, flirtation, dalliance, liaison, involvement, intrigue, amour; informal hanky-panky; Brit. informal carry-on.