counterterrorism

noun

coun·​ter·​ter·​ror·​ism ˌkau̇n-tər-ˈter-ər-ˌi-zəm 

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

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

Word History

First Known Use

1864, in the meaning defined above

Rhymes for counterterrorism

• absolutism
• adventurism
• aestheticism
• africanism
• agnosticism
• alcoholism
• anabolism
• anachronism
• anglicanism
• antagonism
• arianism
• asceticism