counterterrorism

[ koun-ter-ter-uh-riz-uh m ]
/ ˌkaʊn tərˈtɛr əˌrɪz əm /

noun

terrorism in reaction to or retaliation for some previous act of terrorism.

Origin of counterterrorism

First recorded in 1965–70; counter- + terrorism
Related formscoun·ter·ter·ror·ist, noun, adjective
Can be confusedantiterrorism counterterrorism
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for counterterrorism

counterterrorism

/ (ˌkaʊntəˈtɛrəˌrɪzəm) /

noun

activities that are intended to prevent terrorist acts or to eradicate terrorist groups
Derived Formscounterterrorist, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012