Search Result for "sleuth": 
Wordnet 3.0

NOUN (1)

1. a detective who follows a trail;
[syn: sleuth, sleuthhound]

VERB (1)

1. watch, observe, or inquire secretly;
[syn: spy, stag, snoop, sleuth]

The Collaborative International Dictionary of English v.0.48:

Sleuth \Sleuth\, n. [Icel. sl[=o][eth]. See Slot a track.] The track of man or beast as followed by the scent. [Scot.] --Halliwell. [1913 Webster]
WordNet (r) 3.0 (2006):

sleuth n 1: a detective who follows a trail [syn: sleuth, sleuthhound] v 1: watch, observe, or inquire secretly [syn: spy, stag, snoop, sleuth]
Moby Thesaurus II by Grady Ward, 1.0:

33 Moby Thesaurus words for "sleuth": Bow Street runner, FBI, FBI agent, Federal, G-man, Secret Service, Sherlock, Sherlock Holmes, T-man, detective, dick, eye, fed, gumshoe, hawkshaw, hotel detective, house detective, house dick, inquiry agent, investigator, narc, operative, plainclothesman, police detective, private detective, private eye, private investigator, revenuer, shamus, snoop, store detective, tec, treasury agent