Thoroughbred

(noun) a well-bred person. Synonyms: thoroughbred.

(noun) a racehorse belonging to a breed that originated from a cross between Arabian stallions and English mares. Synonyms: thoroughbred.

(noun) a pedigreed animal of unmixed lineage; used especially of horses. Synonyms: thoroughbred, purebred, pureblood.

(adj) having a list of ancestors as proof of being a purebred animal. Synonyms: pedigree(prenominal), pedigreed, pureblood, pureblooded, thoroughbred.