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counterintelligence

[ koun-ter-in-tel-i-juhns ]

noun

  1. the activity of an intelligence service employed in thwarting the efforts of an enemy's intelligence agents to gather information or commit sabotage. : CI
  2. an organization engaged in counterintelligence. : CI


counterintelligence

/ ˌkaʊntərɪnˈtɛlɪdʒəns /

noun

  1. activities designed to frustrate enemy espionage
  2. intelligence collected about enemy espionage


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Word History and Origins

Origin of counterintelligence1

First recorded in 1935–40; counter- + intelligence

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Example Sentences

Rõivas called the kidnapping of a counterintelligence official a serious crime “unacceptable to any Estonian.”

“I have been a counterintelligence officer,” Alasania told The Daily Beast.

Far from it, said David G. Major, the retired FBI counterintelligence agent.

Few of the people in MI6 or MI5, the counterintelligence service, would divulge anything at all.

The job of a counterintelligence officer and a field agent working for the CIA or the MI-6, their job is not to tell the truth.

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