Alternative letter-case form of Thoroughbred (“horse bred for racing”) / (loosely) Any purebred horse. / A person of uncommon strength or endurance (like that of a thoroughbred horse).

Bred from pure stock. / well-bred and properly educated.

A horse of a breed derived from crosses between Arabian stallions and English mares, bred for racing, with its breeding history recorded in an official stud book.

plural of thoroughbred

(obsolete) So as to go the whole length of any business; fully; completely.

An umbelliferous plant (Bupleurum rotundifolium) with perfoliate leaves. / The thoroughwort.

(dated) A leather strap supporting the body of a carriage, and attached to springs or serving as a spring itself.

plural of thoroughbrace

fully; completely; thoroughly

(obsolete) Fully accomplished.