of pure or unmixed breed, stock, or lineage, as a horse or other animal; bred from the purest and best blood.
(sometimes initial capital letter) of or relating to the Thoroughbred breed of horses.
(of a person) having good breeding or education.
(initial capital letter) one of a breed of horses, to which all racehorses belong, originally developed in England by crossing Arabian stallions with European mares.
a thoroughbred animal.
a well-bred or well-educated person.
a pedigree animal; purebred
a person regarded as being of good breeding
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The franchise took its first step toward that when it agreed to spend nearly $200 million for a property that used to host Arlington Park, a thoroughbred racetrack in Chicago’s northwest suburbs.
From The Wall Street Journal • Mar. 27, 2026
Dale Romans, a thoroughbred racehorse trainer, has also made waves in the race since entering the primary in November, though no polling has been conducted that includes Romans.
From Salon • Dec. 19, 2025
In a chaotic last half hour, Carse charged down the Lord's slope like a thoroughbred that had unseated its rider.
From BBC • Jul. 13, 2025
John C. Harris, California horse-racing mogul, had a particular love for the thoroughbred breeding and racing sector of his company, Harris Farms.
From Los Angeles Times • Jul. 8, 2025
Like a well-trained thoroughbred, I steadily pulled away from the pack.
From "Kaffir Boy: An Autobiography" by Mark Mathabane
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
