affair

noun

• 1an event or sequence of events of a specified kind or that has previously been referred to:the board admitted responsibility for the affair I wanted the funeral to be a family affair
• a matter that is a particular person’s concern or responsibility:what you do in your spare time is your affair
• (affairs) matters of public interest and importance:commissions were created to advise on foreign affairs
• (affairs) business and financial dealings:his time was spent in winding up his affairs
• [with adjective] informal an object of a particular type:her dress was a black low-cut affair

• 2a love affair:his wife is having an affair