spy
noun
1. (military) a secret agent hired by a state to obtain information about its enemies or by a business to obtain industrial secrets from competitors
Definition categories: person, operative
2. a secret watcher; someone who secretly watches other people
Definition categories: person, looker, spectator, viewer, watcher, witness
verb
1. catch sight of
Similar word(s): descry, espy, spot
Definition categories: perception, sight, spy
2. watch, observe, or inquire secretly
Similar word(s): sleuth, snoop, stag
Definition categories: communication, monitor, supervise
3. catch sight of; to perceive with the eyes
Similar word(s): sight
Definition categories: perception, comprehend, perceive
4. secretly collect sensitive or classified information; engage in espionage
- spy for the Russians
Definition categories: communication, enquire, inquire, investigate
Sentences with spy as a verb:
- During the Cold War, Russia and America would each spy on each other for recon.
- I think I can spy that hot guy coming over here.