double agent

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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.

Origin of double agent

1
First recorded in 1930–35

Words Nearby double agent

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How to use double agent in a sentence

British Dictionary definitions for double agent

double agent

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