undercover agent

Noun
  1. (military) a secret agent hired by a state to obtain information about its enemies or by a business to obtain industrial secrets from competitors (synset 110661153)
    referred to in: armed forces, armed services, military, military machine, war machine - the military forces of a nation
    is a type of: intelligence agent, intelligence officer, operative, secret agent - a person secretly employed in espionage for a government
    subtypes:
    • counterspy, mole - a spy who works against enemy espionage
    • double agent - a spy who works for two mutually antagonistic countries
    • espionage agent - someone employed to spy on another country or business competitor
    • foreign agent - a spy for a foreign country
    • infiltrator - someone who takes up a position surreptitiously for the purpose of espionage
    • sleeper - a spy or saboteur or terrorist planted in an enemy country who lives there as a law-abiding citizen until activated by a prearranged signal
    specific instances: margarete gertrud zelle, mata hari - Dutch dancer who was executed by the French as a German spy in World War I (1876-1917)
    same as: spy

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