Dictionary

counterintelligence

counterintelligence

noun coun·ter·in·tel·li·gence \ˌkan-tər-in-ˈte-lə-jən(t)s\

: activity meant to hide the truth from an enemy or to prevent the enemy from learning secret information

Full Definition of COUNTERINTELLIGENCE

:  organized activity of an intelligence service designed to block an enemy's sources of information, to deceive the enemy, to prevent sabotage, and to gather political and military information

First Known Use of COUNTERINTELLIGENCE

1940

Browse

Next Word in the Dictionary: counterintuitivePrevious Word in the Dictionary: counterinsurgencyAll Words Near: counterintelligence
March 05, 2015
ilk Hear it
Sort or kind
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears