#1
spy n. [
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
. wn #2
spy v. [
descry, spot, espy] catch sight of
. wn #3
spy v. [
stag, snoop, sleuth] watch, observe, or inquire secretly
. wn #4
spy n. a secret watcher; someone who secretly watches other people; "my spies tell me that you had a good time last night"
. wn #5
spy v. [
sight] catch sight of; to perceive with the eyes; "he caught sight of the king's men coming over the ridge"
. wn