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
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Earlier in the week Australia’s public broadcaster ABC reported that Australian counterterrorism officials believed the men underwent military-style training while in the Philippines. Jinky Jorgio, CNN Money, 18 Dec. 2025 Nathan Sales, a distinguished fellow at the Atlantic Council and former State Department counterterrorism coordinator, said the administration views regional diplomacy primarily through the lens of countering Tehran. Efrat Lachter, FOXNews.com, 17 Dec. 2025 The administration cited national security, counterterrorism objectives and a lack of information from foreign governments as reasons for the expansion. Zach Wichter, USA Today, 16 Dec. 2025 The size of the exodus of top officers meant that some of those who replaced the generals lacked the background and contacts to plan, coordinate, and execute effective counterdrug and counterterrorism operations as successfully as previous military leadership. Kevin Whitaker, Foreign Affairs, 15 Dec. 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 21 Dec. 2025.

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