noun

spy

spy, secret agent

He was a spy for a foreign government.

He was a spy for a foreign government.

The film is about a famous spy.

The film is about a famous spy.

((a spy)) a person who secretly collects information He was a spy for a foreign government.

Synonyms: secret agent, operative, mole

From Old French 'espie' meaning 'watcher'.

Imagine someone who has to 'spy' with their 'eye' to gather information secretly.

This page is designed for learning support. Please use it as a learning reference, not as a formal reference.