- coun|ter|spy
- coun|ter|spy «KOWN tuhr SPY», noun, plural -spies.a spy who works to uncover or oppose the activities of enemy spies, often by posing as one of them: »
The diplomat, the first secretary of the Soviet embassy, engaged in espionage for nearly two years with an Australian woman who in reality was an Australian counterspy (Wall Street Journal).
Useful english dictionary. 2012.