counterintelligence

Use Counterintelligence in a sentence

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.
2.
an organization engaged in counterintelligence.

Origin:
1935–40; counter- + intelligence

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
counterintelligence (ˌkaʊntərɪnˈtɛlɪdʒəns)
 
n
1.  activities designed to frustrate enemy espionage
2.  intelligence collected about enemy espionage

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

counterintelligence
also counter-intelligence, 1940, from counter- + intelligence.
Online Etymology Dictionary, © 2010 Douglas Harper
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Example sentences
We've been tracking down spies and addressing other counterintelligence threats for nearly a century now.
No intelligence element can be completely effective without a strong counterintelligence capability.
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