IPA: /əˈfɛə/
KK: /əˈfɛr/
A situation or event that causes public interest or controversy, often involving personal relationships or social gatherings.
Their affair lasted for several months before they decided to end it.
Affair originates from the Old French word *afaire*, meaning to do or to make. The word is formed from "a-" (meaning to) and "faire" (meaning to do or make). An affair refers to something that is done or a matter that is being dealt with.
Think of 'doing' something ('faire') when you hear 'affair' — it helps you remember that an affair is a matter or event that is being dealt with.