dictionary

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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 [syn: undercover agent]

2: a secret watcher; someone who secretly watches other people; "my spies tell me that you had a good time last night" v

3: catch sight of [syn: descry, spot, espy]

4: watch, observe, or inquire secretly [syn: stag, snoop, sleuth]

5: secretly collect sensitive or classified information; engage in espionage; "spy for the Russians" [also: spied]

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