affair
/əˈfɛə/
(often in the plural) Something which is done or is to be done; business of any kind, commercial, professional, or public.
a difficult affair to manage
Any proceeding or action which it is wished to refer to or characterize vaguely.
an affair of honor, a duel; an affair of love, an intrigue
An action or engagement not of sufficient magnitude to be called a battle.
A material object (vaguely designated).
He used a hook-shaped affair with a long handle to unlock the car.
An adulterous relationship. (from affaire de cœur).
A romantic relationship with someone who is not one's regular partner (boyfriend, girlfriend).
A person with whom someone has an adulterous relationship.
A party or social gathering, especially of a formal nature.
The (male or female) genitals.