spy | (noun) (military) a secret agent hired by a state to obtain information about its enemies or by a business to obtain industrial secrets from competitors | Synonyms: undercover agent |
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(noun) a secret watcher; someone who secretly watches other people | - |
spyglass | (noun) a small refracting telescope | Synonyms: field glass, glass |
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spyhole | (noun) a hole (in a door or an oven etc) through which you can peep | Synonyms: eyehole, peephole |
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spying | (noun) the act of keeping a secret watch for intelligence purposes | Synonyms: undercover work |
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(noun) keeping a secret or furtive watch | - |
(noun) the act of detecting something; catching sight of something | Synonyms: catching, detection, espial, spotting |
spymaster | (noun) someone who directs clandestine intelligence activities | - |
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spyware | (noun) computer software that obtains information from a user's computer without the user's knowledge or consent | - |
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