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
Recent Examples on the Web
The report outlines a systematic pattern of arbitrary detentions carried out by agents from the military counterintelligence agency and the Bolivarian intelligence service, often by agents in unmarked vehicles and plainclothes.
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Antonio María Delgado, Miami Herald, 12 Dec. 2025
Stefanik had gotten the language requiring congressional leadership to be notified of any counterintelligence investigations into federal candidates added to the Intelligence Authorization Act (IAA) that passed out of the House Intelligence Committee in September.
—Emily Brooks, The Hill, 3 Dec. 2025
If and when American bombs start to fall, Venezuela’s military counterintelligence system will certainly be put to the test.
—Quico Toro, The Atlantic, 4 Nov. 2025
The Attorney General is often required to make decisions, with high stakes and on short notice, on an array of difficult matters, from blocking mergers to approving counterintelligence investigations to appealing cases to the Supreme Court.
—Ruth Marcus, New Yorker, 18 Aug. 2025
See All Example Sentences for counterintelligence
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Antonio María Delgado, Miami Herald, 12 Dec. 2025
Stefanik had gotten the language requiring congressional leadership to be notified of any counterintelligence investigations into federal candidates added to the Intelligence Authorization Act (IAA) that passed out of the House Intelligence Committee in September.
—Emily Brooks, The Hill, 3 Dec. 2025
If and when American bombs start to fall, Venezuela’s military counterintelligence system will certainly be put to the test.
—Quico Toro, The Atlantic, 4 Nov. 2025
The Attorney General is often required to make decisions, with high stakes and on short notice, on an array of difficult matters, from blocking mergers to approving counterintelligence investigations to appealing cases to the Supreme Court.
—Ruth Marcus, New Yorker, 18 Aug. 2025
See All Example Sentences for counterintelligence
Cite this Entry
“Counterintelligence.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/counterintelligence. Accessed 25 Dec. 2025.
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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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