An affair is a romantic or sexual relationship between two people that is not exclusive, usually involving at least one person who is already in a committed relationship.
Usage examples
Extramarital affair: John had an affair with his coworker despite being married.
Political affair: The scandal involving the President's affair weakened his campaign.
State affair: The summit was considered a high-profile affair with leaders from multiple countries attending.
Cultural affair: The film festival showcased a diverse range of international affairs.
Business affair: The merger negotiations proved to be a complex affair, requiring lengthy discussions.
Personal affair: Mark's financial problems are his own affair and shouldn't be discussed publicly.
Love affair: Their whirlwind romance turned into a long-lasting love affair.
Legal affair: The company's lawsuit became a highly publicized legal affair.
Diplomatic affair: The ambassador's accidental tweet caused a minor diplomatic affair between the two countries.
Family affair: The annual reunion is a joyous family affair with multiple generations coming together.