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

Officials will discuss strengthening Iran-Iraq relations, border security, economic cooperation and counterterrorism, among other topics, the broadcaster IRIB reported. — Hanna Ziady, CNN Money, 18 Aug. 2026

Iraqi officials targeted by drone attacks Two officials in northern Iraq were targeted in drone attacks that the regional counterterrorism service said were launched from the border with Iran. — Los Angeles Times, 17 Aug. 2026

Power is concentrated in the hands of the army chief, who crafts critical security policies – including on counterterrorism – behind closed doors. — Hasan Ali, Christian Science Monitor, 10 Aug. 2026

Johannes Kongsnes Natland was found guilty of conspiracy to commit murder after an investigation by British counterterrorism officers and a two-week trial, London's Metropolitan Police said in a statement. — Frank Andrews, CBS News, 29 July 2026

Word History

First Known Use

1864, in the meaning defined above

Rhymes for counterterrorism

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