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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

Source: Merriam-Webster's Learner's Dictionary

Full Definition of counterespionage

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

Examples of counterespionage in a sentence

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



1899

First Known Use of counterespionage

1899


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