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Definition of affair
1a affairs plural : commercial, professional, public, or personal business
handles the company's public affairs an expert in foreign affairs
2 : a procedure, action, or occasion only vaguely specified also : an object or collection of objects only vaguely specified Their house was a 2-story affair.
3 or less commonly affaire
a : a romantic or passionate attachment typically of limited duration : liaison sense 2b had an affair with a coworker
b : a matter occasioning public anxiety, controversy, or scandal : case the Watergate affair of the early 1970s
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Time Traveler for affair
The first known use of affair was in the 14th century
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