counterintelligence
noun
coun·ter·in·tel·li·gence
ˌkau̇n-tər-in-ˈte-lə-jən(t)s 
: organized activity of an intelligence service designed to block an enemy's sources of information, to deceive the enemy, to prevent sabotage, and to gather political and military information
Examples of counterintelligence in a Sentence
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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
This lack of capability may be why Gabbard, early on, tried to wrest control of counterintelligence operations from Kash Patel over at the FBI, an effort that failed (and should have).
—Tom Nichols, The Atlantic, 25 Apr. 2026
Daly was an investigator and counterintelligence operative for the federal law enforcement agency.
—Peter D'abrosca, FOXNews.com, 1 Apr. 2026
Qrypt had been negotiating its first large contract, with the Pentagon, until a counterintelligence official called about Broidy’s allegations.
—David D. Kirkpatrick, New Yorker, 30 Mar. 2026
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Rick Porter, HollywoodReporter, 4 May 2026
This lack of capability may be why Gabbard, early on, tried to wrest control of counterintelligence operations from Kash Patel over at the FBI, an effort that failed (and should have).
—Tom Nichols, The Atlantic, 25 Apr. 2026
Daly was an investigator and counterintelligence operative for the federal law enforcement agency.
—Peter D'abrosca, FOXNews.com, 1 Apr. 2026
Qrypt had been negotiating its first large contract, with the Pentagon, until a counterintelligence official called about Broidy’s allegations.
—David D. Kirkpatrick, New Yorker, 30 Mar. 2026
See All Example Sentences for counterintelligence
Cite this Entry
“Counterintelligence.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/counterintelligence. Accessed 5 May. 2026.
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counterintelligence
noun
coun·ter·in·tel·li·gence
ˌkau̇nt-ə-rin-ˈtel-ə-jən(t)s
: activities of an intelligence service meant to hide the truth from an enemy or to prevent the enemy from learning secret information
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