Definition of counterintelligence in English:


Syllabification: coun·ter·in·tel·li·gence
Pronunciation: /ˌkountərinˈteləjəns


  • Activities designed to prevent or thwart spying, intelligence gathering, and sabotage by an enemy or other foreign entity.
    More example sentences
    • The Intelligence Corps also runs the ultra-secret counter-intelligence outfit the FRU, the Force Research Unit.
    • Swiss counter-intelligence was very effective, too, and 387 spies, mostly Swiss but including 100 Germans, were captured and brought to trial of whom 17 were executed.
    • Our counter-intelligence, which plays a considerable role here, is very fragmented.

More definitions of counterintelligence

Definition of counterintelligence in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day maelstrom
Pronunciation: ˈmālˌsträm
a powerful whirlpool in the sea