A camera, especially a webcam, used for covert surveillance.

plural of spycam

plural of spyplane

A military aircraft used for surveillance.

Resembling or characteristic of a spy.

A group of spies / (informal) The world of spies and espionage.

Safe from being overcome or compromised by spies.

(UK) Synonym of peephole

plural of spyhole

Obsolete form of spiritual.