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Synonyms

double agent

American  

noun

  1. a person who spies on a country while pretending to spy for it.

  2. a spy in the service of two rival countries, companies, etc.


double agent British  

noun

  1. a spy employed by two mutually antagonistic countries, companies, etc

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of double agent

First recorded in 1930–35

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.

See Examples For:

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

His KGB contact, who believes him to be a double agent, raises the stakes by asking him for information on Faith—though she has encouraged Gabriel to accept Soviet payments to dupe the Russians.

From The Wall Street Journal Nov. 12, 2025

Since the Salisbury poisonings in 2018 – which targeted Russian double agent Sergei Skripal – there has been a five-fold increase in police work to tackle hostile activity, commanders said.

From BBC Jul. 15, 2025

In other words, Arnold wanted to be a double agent for the British.

From "George Washington, Spymaster" by Thomas B. Allen

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