thor·ough·bred 
(thûrō-brĕd′, thûrə-, thŭr-)
(thûrō-brĕd′, thûrə-, thŭr-)n.
1. A purebred or pedigreed animal, especially a horse.
2. Thoroughbred Any of a breed of horses, bred chiefly for racing, originating from crosses between Arabian stallions and English mares.
3. A well-bred person.
adj.
1. Bred of pure stock; purebred.
2. Thoroughbred Relating or belonging to horses of the Thoroughbred.
3. Thoroughly trained or educated; well-bred.
- hyperpyrexial
- hyperreal
- hyperrealism
- hyperrealist
- hyperrealistic
- hypersensitive
- hypersensitiveness
- hypersensitivity
- hypersensitize
- hypersexual
- hypersexuality
- hypersonic
- hypersonically
- hyperspace
- hyperspectral
- hypersphere
- hypersthene
- hypersthenic
- hypertelorism
- hypertension
- hypertensive
- hypertext
- hyperthermal
- hyperthermia
- hyperthermophile