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V1 |
spy | secretly collect sensitive or classified information; engage in espionage | |
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V2 |
sight, spy | catch sight of; to perceive with the eyes | |
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spy | a secret watcher; someone who secretly watches other people | |
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spy, undercover agent | [in military] a secret agent hired by a state to obtain information about its enemies or by a business to obtain industrial secrets from competitors | |
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V1 |
spy, snoop, stag, sleuth | watch, observe, or inquire secretly | |
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V2 |
spot, spy, descry, espy | catch sight of |