thoroughbred Meaning, Definition & Usage

  1. noun a well-bred person
  2. noun a racehorse belonging to a breed that originated from a cross between Arabian stallions and English mares
  3. noun a pedigreed animal of unmixed lineage; used especially of horses
    pureblood; purebred.
  4. adjective satellite having a list of ancestors as proof of being a purebred animal
    pedigreed; pureblood; pedigree; pureblooded.

WordNet


Thor"ough*bred` adjective
Definitions
  1. Bred from the best blood through a long line; pure-blooded; -- said of stock, as horses. Hence, having the characteristics of such breeding; mettlesome; courageous; of elegant form, or the like. -- n. A thoroughbred animal, especially a horse.

Webster 1913