affair

American  

[uh-fair] / əˈfɛər /

noun

1. anything done or to be done; anything requiring action or effort; business; concern.

   an affair of great importance.

2. 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.

3. an event or a performance; a particular action, operation, or proceeding.

   When did this affair happen?

4. thing; matter (applied to anything made or existing, usually with a descriptive or qualifying term).

   Our new computer is an amazing affair.

5. a private or personal concern; a special function, business, or duty.

   That's none of your affair.

6. an intense amorous relationship, usually of short duration.

7. an event or happening that occasions or arouses notoriety, dispute, and often public scandal; incident.

   the Congressional bribery affair.

8. a party, social gathering, or other organized festive occasion.

   The awards ceremony is the biggest affair on the school calendar.

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affair British  

/ əˈfɛə /

noun

1. a thing to be done or attended to; matter; business

   this affair must be cleared up

2. an event or happening

   a strange affair

3. (qualified by an adjective or descriptive phrase) something previously specified, esp a man-made object; thing

   our house is a tumbledown affair

4. a sexual relationship between two people who are not married to each other

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Etymology

Origin of affair

1250–1300; earlier affaire < French, Old French afaire for a faire to do, equivalent to a (< Latin ad to) + faire ≪ Latin facere; replacing Middle English afere < Old French

Explanation

If your grandfather was so startled by people shouting "Surprise!" at his birthday party that he had a mild heart attack, you'd probably want to just forget the whole affair. An affair is a specific event. You can use affair as a kind of shorthand, to mean "that big mess," or "that complicated story I already told you about." Your affair can also mean your responsibility or job, like if your grandmother said, "I don't care about balloons for the party — that's your affair." Another way affair is frequently used is to mean a love affair, particularly if the relationship is brief and intense. This meaning comes from the French phrase affaire de coeur, "affair of the heart."

Example Sentences

He has produced several films and series, including with the forthcoming heist remake The Thomas Crown Affair.

From BBC • Mar. 16, 2026

That case in the 1980s, known as The Line 300 Affair, involved servicemen from Israel’s internal security agency, the Shin Bet, who were pardoned over concerns that state secrets could be exposed in the trial.

From The Wall Street Journal • Nov. 30, 2025

Forever Young was the third foreign horse to win the Classic, joining Argentine-bred Invasor in 2006 and Irish-bred Black Tie Affair in 1991.

From Los Angeles Times • Nov. 1, 2025

The Condon Affair, as it was known, has been largely forgotten.

From Slate • Mar. 17, 2025

Explaining the ins and outs of the Mr. Blake Affair would've taken too long.

From "Black Swan Green" by David Mitchell

Related Words

• case
• employment
• event
• incident
• interest
• proceeding
• project
• question
• subject
• task
• thing
• topic
• transaction