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English definition of “spy”

spy

verb (FIND SECRETS)    /spaɪ/
C1 [I] to secretly collect and report information about the activities of another country or organization : He was arrested for spying on missile sites .Spying and espionage spy out informal to get knowledge secretly , especially of a place : I generally like to spy out restaurants before I go to eat in them.Spying and espionage
(Definition of spy verb (FIND SECRETS) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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