Definitions of spy

  1. To discover, especially at a distance; discover by looking carefully; detect; explore secretly.
  2. To see: to discover, generally at a distance: to discover by close search: to inspect secretly:- pa. t. and pa. p. spied.
  3. To see by looking carefully or secretly; discover; discern.
  4. To examine narrowly; keep watch secretly: often with on or upon.
  5. To play the spy.
  6. catch sight of
  7. secretly collect sensitive or classified information; engage in espionage; " spy for the Russians"
  8. To act as a spy; investigate; pry.
  9. To see; to discover at a distance or in a state of concealment; to examine secretly; to explore.
  10. To discover at a distance; to gain sight of; to inspect or examine secretly; to find out by artifice; to play the spy.
  11. Spying.
  12. ( military) a secret agent hired by a state to obtain information about its enemies or by a business to obtain industrial secrets from competitors
  13. To gain sight of; to discover at a distance, or in a state of concealment; to espy; to see.
  14. To discover by close search or examination.
  15. To explore; to view; inspect; and examine secretly, as a country; -- usually with out.
  16. To search narrowly; to scrutinize.
  17. One who keeps a constant watch of the conduct of others.
  18. A person sent secretly into an enemy's camp, territory, or fortifications, to inspect his works, ascertain his strength, movements, or designs, and to communicate such intelligence to the proper officer.
  19. One sent into an enemy's country or camp to find out their strength, etc.: one who keeps a watch on others: one who secretly conveys information.
  20. One who secretly inspects an enemy's camp or country; one who watches or pries into the affairs of others. esp. By sharp sight or close observation; to inspect secretly.
  21. One who enters an enemy's lines covertly to get information.
  22. One who watches others secretly.
  23. A person sent into an enemy's camp to watch and report what is going on; one set to watch or one who watches the conduct of others.
  24. One who secretly watches the conduct, condition, actions, & c., of a person, in order to report them to another; a secret agent; one who secretly conveys the transactions of others; a secret agent; one who secretly conveys the transactions of others.
  25. Spied.