WordNet (r) 3.0 (2006):
pureblood adj 1: having a list of ancestors as proof of being a purebred animal [syn: pedigree(a), pedigreed, pureblood, pureblooded, thoroughbred] n 1: a pedigreed animal of unmixed lineage; used especially of horses [syn: thoroughbred, purebred, pureblood]