affair

B2 · Upper Intermediate Countable noun

n. a secret sexual relationship between two people, especially when at least one of them is married to someone else.

n. a romantic or sexual relationship between two people who are not married to each other, typically involving infidelity.

日本語:不倫※

“He found out that his wife was having an affair with a colleague from work.”

“The tabloid press thrived on rumors of a clandestine affair between the high-profile politician and the famous actress.”

B2 · Upper Intermediate Countable noun

n. an event, situation, or object that you are describing in a particular way.

n. an event, proceeding, or physical object that is characterized by a specific quality or adjective.

“The whole dinner party was a very formal affair with many strict rules.”

“The investigation into the missing funds became a long and complicated affair that lasted for several years.”

C2 · Proficiency Countable noun Military Formal · Technical

n. a small fight between soldiers that is not big enough to be called a full battle.

n. a military engagement or skirmish of limited scale, typically involving smaller units rather than entire armies.

“The border affair resulted in a few injuries but did not lead to a full-scale war.”

“Historians describe the encounter as a minor affair, though it significantly impacted the morale of the local garrison.”