spy

English Dictionary -> Letter S -> spy

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spy Definition

• (n) (military) a secret agent hired by a state to obtain information about its enemies or by a business to obtain industrial secrets from competitors
• (n) a secret watcher; someone who secretly watches other people; "my spies tell me that you had a good time last night"
• (v) catch sight of
• (v) watch, observe, or inquire secretly
• (v) secretly collect sensitive or classified information; engage in espionage; "spy for the Russians"

spy Synonyms

• descry
• espy
• sleuth
• snoop
• spot
• spy
• stag
• undercover agent