sleuth
noun /sluːθ/
/sluːθ/
(old-fashioned or humorous)- a person who investigates crimes synonym detective
- an amateur sleuth
- Agatha Christie’s super sleuth, Hercule Poirot
Word OriginMiddle English (originally in the sense ‘track’, in sleuth-hound): from Old Norse slóth. Current senses date from the late 19th cent.