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counterintelligence

noun

Definition of counterintelligencenext
as in counterespionage

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of counterintelligence The center brings together counterterrorism, cyber, counterintelligence and financial investigators and specialists from the Treasury Department and IRS to trace funding streams, identify criminal actors and build prosecutable cases. — Asra Q. Nomani , Morgan Phillips, FOXNews.com, 2 July 2026 LaCroix has taught a variety of subjects including cybercrime, counterterrorism, critical infrastructure protection, intelligence, counterintelligence and Homeland Security legal and policy Issues. — Hunter Lacroix, Baltimore Sun, 20 June 2026 The American Office of Strategic Services, the OSS, worked alongside their British counterparts in a counterintelligence coup that saved the world. — Boston Herald Editorial Staff, Boston Herald, 6 June 2026 Gabriel Basso stars as Sutherland, a formerly low-level FBI agent who has taken on increasingly dangerous assignments as part of a counterintelligence group within the bureau called Night Action. — Rick Porter, HollywoodReporter, 4 May 2026 See All Example Sentences for counterintelligence
Recent Examples of Synonyms for counterintelligence
  1. counterespionage
  2. espionage
  3. spying
  4. intelligence
Noun
  • Russian security forces had already absorbed a counterespionage mindset as early as the Russo-Japanese war, in 1905.
    — Andrei Soldatov, Foreign Affairs, 31 Aug. 2026
  • The latest firings included experts in counterespionage matters.
    — Perry Stein, Arkansas Online, 28 Feb. 2026
Definition of counterespionage
Noun
  • Five categories of spies are described, and espionage is treated as essential to providing rulers and commanders with the foreknowledge needed to make informed strategic decisions.
    — Ethan Teekah, Encyclopedia Britannica, 11 Sep. 2026
  • Beyond bioweapons, Russia spies Anthropic also uncovered a Russian espionage operation that used Claude to automate much of its cyber campaign.
    — Aamir Khollam, Interesting Engineering, 10 Sep. 2026
Definition of espionage
Noun
  • Critics argued the Patriot Act cleared the path for spying and violations of civil liberties, prompting reforms to the controversial law years later.
    — Mark Morales, CNN Money, 10 Sep. 2026
  • China’s foreign ministry in June confirmed the ‌arrest of Min Zin, saying he was suspected of spying and of endangering Chinese national security.
    — Reuters, NBC news, 20 Aug. 2026
Definition of spying
Noun
  • Our current architecture estimates suggest that separating deterministic execution from runtime intelligence could reduce expected token consumption by around 90% compared with initial approaches.
    — Nitin Gupta, Forbes.com, 15 Sep. 2026
  • From our first conversations, Jon blew us away with his intelligence and deep creative insights about how to craft great stories.
    — Matt Grobar, Deadline, 14 Sep. 2026
Definition of intelligence

Browse Nearby Words

counterinsurgents
counterintelligence
countermand
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Cite this Entry

“Counterintelligence.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/counterintelligence. Accessed 18 Sep. 2026.

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