spy

US /spaɪ/

UK /spaɪ/

B1

noun

  • Person who gets secret information about an enemy
  • Person who secretly watches other people

verb

  • To try to get secrets about an enemy country
  • To secretly watch someone or something
  • To see something or someone

Examples

Counter-intelligence officers uncovered a spy ring involving twenty agents.

He denied acting as an enemy spy.