"thoroughbred" in the noun sense
1. thoroughbred
a well-bred person
2. thoroughbred
a racehorse belonging to a breed that originated from a cross between Arabian stallions and English mares
3. thoroughbred, purebred, pureblood
a pedigreed animal of unmixed lineage used especially of horses
"thoroughbred" in the adjective sense
1. pedigree, pedigreed, pureblood, pureblooded, thoroughbred
having a list of ancestors as proof of being a purebred animal
Source: WordNet® (An amazing lexical database of English)
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