[thor.ough.bred] adj (1701) 1: thoroughly trained or skilled
2: bred from the best blood through a long line: purebred "~ dogs" 3 a cap: of, relating to, or being a member of the Thoroughbred breed of horses b: having characteristics resembling those of a Thoroughbred
[2]thoroughbred n (1842) 1 cap: any of an English breed of light speedy horses kept chiefly for racing that originated from crosses between English mares of uncertain ancestry and Arabian stallions
2: a purebred or pedigreed animal
3: one that has characteristics resembling those of a Thoroughbred