Key: "S:" = Show Synset (semantic) relations, "W:" = Show Word (lexical) relations
Display options for sense: (gloss) "an example sentence"
Noun
S: (n) spy, undercover agent ((military) a secret agent hired by a state to obtain information about its enemies or by a business to obtain industrial secrets from competitors)
S: (n) spy (a secret watcher; someone who secretly watches other people) "my spies tell me that you had a good time last night"