Definition of counterespionage
: the activity concerned with detecting and thwarting enemy espionage
Examples of counterespionage in a Sentence
He was involved in counterespionage against Germany in World War II.
Recent Examples of counterespionage from the Web
The counterterrorism center will be led by Pierre de Bousquet de Florian, former head of a French counterespionage agency.
Yet it should be noted that leakers and counterespionage agents are nothing new.
Yet no successful counterespionage program can be mounted if the president denies Kremlin intervention in the elections.
Before the trip, Flynn received a classified counterespionage briefing at D.I.A. headquarters.
Ms. Phan-Gillis, a Vietnamese-American business consultant from Houston, was secretly detained in March 2015 by officers from the Ministry of State Security, which oversees espionage and counterespionage.
According to experts in the counterespionage field, those annual losses have since increased many times over.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'counterespionage'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of counterespionage
COUNTERESPIONAGE Defined for English Language Learners
Definition of counterespionage for English Language Learners
: the activity of preventing or stopping enemies from spying
Learn More about counterespionage
Britannica.com: Encyclopedia article about counterespionage
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