American English

Definition of spy noun from the Oxford Advanced American Dictionary



(pl. spies)
jump to other results
a person who tries to get secret information about another country, organization, or person, especially someone who is employed by a government or the police He was denounced as a foreign spy. a police spy a spy plane/satellite (= used to watch the activities of the enemy) Video spy cameras are being used in public places.
See the Oxford Advanced Learner's Dictionary entry: spy