counterterrorism

noun

coun·​ter·​ter·​ror·​ism ˌkau̇n-tər-ˈter-ər-ˌi-zəm How to pronounce counterterrorism (audio)
variants or counter-terrorism
: measures designed to combat or prevent terrorism
an expert in counterterrorism
often used before another noun
a local counterterrorism council
new counter-terrorism policies/measures

Examples of counterterrorism in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Last month, Adam’s father, Matthew Raine, appeared before the Senate Judiciary subcommittee on crime and counterterrorism alongside two other grieving parents to testify on the dangers AI platforms pose to children. Miles Klee, Rolling Stone, 22 Oct. 2025 The effect could be to criminalize opposition under the guise of counterterrorism. Jason M. Blazakis, Mercury News, 18 Oct. 2025 Skyborne Technologies announced that CODiAQ is being delivered to select US government partners for testing in different mission situations, such as irregular warfare and counterterrorism. Kapil Kajal, Interesting Engineering, 15 Oct. 2025 Secretary Clinton discussed ways to deepen counterterrorism cooperation, particularly in the fight against ISIS. Dan Gooding, MSNBC Newsweek, 13 Oct. 2025 See All Example Sentences for counterterrorism

Word History

First Known Use

1864, in the meaning defined above

Time Traveler
The first known use of counterterrorism was in 1864

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Cite this Entry

“Counterterrorism.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/counterterrorism. Accessed 29 Oct. 2025.

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