double agent

noun

: a spy pretending to serve one government while actually serving another

Examples of double agent in a Sentence

He was secretly working as a double agent for the Americans during the war.

Recent Examples on the Web

That might help explain why Thraîn has already been revealed as a double agent not long after being introduced. — Keith Phipps, Vulture, 11 Nov. 2026

Estimates of the number of double agents ranged from 38 to four dozen. — Nora Gámez Torres, Miami Herald, 26 Oct. 2026

Eva Marie Saint, the ethereal beauty who won the best supporting actress Oscar for her work in her first motion picture, On the Waterfront, then dazzled audiences as a double agent in North by Northwest, died Tuesday. — Duane Byrge, HollywoodReporter, 6 Oct. 2026

Later, Joe meets a Ukrainian double agent on Georgetown University’s campus, but the scene was actually filmed at Southern Methodist University in Dallas. — Samantha Stutsman, PEOPLE, 10 Aug. 2026

Word History

First Known Use

1935, in the meaning defined above

Rhymes for double agent

• newsagent
• reagent
• subagent