Counterintelligence
Counterintelligence noun - Intelligence activities concerned with identifying and counteracting the threat to security posed by hostile intelligence organizations or by individuals engaged in espionage or sabotage or subversion or terrorism.
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Synonyms for Counterintelligence
Espionage and counterintelligence are semantically related. In some cases you can use "Espionage" instead a noun "Counterintelligence".
Espionage
Espionage noun - The secret gathering of information on others.
Usage example: the acts of espionage on behalf of the Confederacy carried on by Belle Boyd and Rose Greenhow
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Synonyms for Espionage
Counterintelligence and espionage are semantically related. You can use "Counterintelligence" instead a noun "Espionage".
Mutual synonyms
Both words in one sentence
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Apart from the logistics concerns they really do handle, senior OSR operatives are trained to bear a wide range of responsibilities, including but not limited to counterintelligence, equipment testing, espionage, law enforcement, security and training.
Source: Jack-of-All-Trades
Cite this Source
Espionage and Counterintelligence. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/counterintelligence/espionage
Counterintelligence & Espionage. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/counterintelligence/espionage>.
Espionage or Counterintelligence. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/counterintelligence/espionage.
Google Ngram Viewer shows how "counterintelligence" and "espionage" have occurred on timeline