Thoroughbred1. (a.) 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.
2. (n.) A thoroughbred animal, especially a horse.
Thesaurus Entries
American trotter, Appaloosa, Arabian, Barb, Barbary horse, Belgian, Brahman, Cleveland Bay, French coach horse, Galloway, Hambletonian, Shetland, Shetland pony, Shire, Suffolk, Turk, archduke, aristocrat, armiger, baron, baronet, blue blood, blue-blooded, count, daimio, duke, earl, esquire, full-blooded, genet, gentleman, grand duke, grandee, hidalgo, highborn, highbred, jennet, lace-curtain, laird, landgrave, lord, lordling, magnate, magnifico, margrave, marquis, noble, nobleman, of good breed, optimate, palomino, palsgrave, patrician, pedigree, pedigreed, peer, pur sang, pure-blooded, purebred, quarter horse, saddle horse, seigneur, seignior, silk-stocking, squire, swell, upper-cruster, viscount, waldgrave, well-bred, wellborn