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counterespionage

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noun coun·ter·es·pi·o·nage \ˌkau̇n-tər-ˈes-pē-ə-ˌnäzh, -ˌnäj, -nij, Canada also -ˌnazh; -ˌes-pē-ə-ˈnäzh; -ə-ˈspē-ə-nij\

Simple Definition of counterespionage

  • : the activity of preventing or stopping enemies from spying

Full Definition of counterespionage

  1. :  the activity concerned with detecting and thwarting enemy espionage

Examples of counterespionage

  1. He was involved in counterespionage against Germany in World War II.



1899

First Known Use of counterespionage

1899


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