1. a purebred horse of a breed developed for racing
2. a person or animal of excellent quality or breeding

1. of pure breed or stock
2. having excellent qualities; first-rate

Examples

• The thoroughbred won the Kentucky Derby by three lengths.
• She comes from a family of thoroughbreds in the business world.
• The stable houses only thoroughbred Arabian horses.
• He’s a thoroughbred gentleman with impeccable manners.
• The thoroughbred stallion was valued at over a million dollars.
• Her thoroughbred education prepared her for success.
• The racing stable specializes in training thoroughbreds.