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Noun: counterintelligence  ,kawn-tu-rin'te-li-jun(t)s
  1. Intelligence activities concerned with identifying and counteracting the threat to security posed by hostile intelligence organizations or by individuals engaged in espionage or sabotage or subversion or terrorism

Derived forms: counterintelligences

Type of: intelligence, intelligence activity, intelligence operation

Encyclopedia: Counterintelligence

Nearest

counterfactual
counterfactuality
counterfeit
counterfeiter
counterfire
counterflow
counterfoil
counterglow
counterinsurgency
counterinsurgent
counterintelligence
counterintuitive
counterintuitively
counterirritant
counterman
countermand
countermarch
countermeasure
countermine
countermortar fire
countermove