Definitions for spy

Definitions for (noun) spy

Main entry: spy, undercover agent

Definition: (military) a secret agent hired by a state to obtain information about its enemies or by a business to obtain industrial secrets from competitors

Main entry: spy

Definition: a secret watcher; someone who secretly watches other people

Usage: my spies tell me that you had a good time last night

Definitions for (verb) spy

Main entry: spy

Definition: secretly collect sensitive or classified information; engage in espionage

Usage: spy for the Russians

Main entry: spy, stag, sleuth, snoop

Definition: watch, observe, or inquire secretly

Main entry: descry, spot, spy, espy

Definition: catch sight of

Main entry: sight, spy

Definition: catch sight of; to perceive with the eyes

Usage: he caught sight of the king's men coming over the ridge

Visual thesaurus for spy