SLEUTH Meaning of SLEUTH in English — sleuthlike , adj./sloohth/ , n.1. a detective. 2. a bloodhound. v.t. , v.i.3. to track or trail, as a detective. [ 1875-80; short for SLEUTHHOUND ] Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012