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counterterrorism

[koun-ter-ter-uh-riz-uh m]
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noun
  1. 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. 2018
British Dictionary definitions for counterterrorism

counterterrorism

noun
  1. 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