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Definitions

double agent

NOUN
spy for two nations
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In 2018, the UK said Russian double agent Sergei Skripal was poisoned with a Novichok nerve agent in the British cathedral city of Salisbury.

From Barron's • Mar. 30, 2026

Think of Mike Buckley as a kind of double agent.

From Los Angeles Times • Feb. 2, 2026

One police officer, Evelyn Tardiff, has long served as a double agent within the mobster’s circle, and Armand has grown unsure of her loyalties, fearing that “he no longer knew whose side she was on.”

From The Wall Street Journal • Nov. 14, 2025

At the time of his work as a double agent, his defection was hailed by then Foreign Secretary Sir Geoffrey Howe as "a very substantial coup for our security forces".

From BBC • Mar. 21, 2025

After years of spying for MI6, the double agent knew that his luck had run out.

From "Spies: The Secret Showdown Between America and Russia" by Marc Favreau