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thoroughbred
thoroughbredadjectiveof pure or unmixed breed, stock, or lineage, as a horse or other animal; bred from the purest and best blood.
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Thoroughbred
Thoroughbrednouna British breed of horse the ancestry of which can be traced to English mares and Arab sires; most often used as a racehorse
thoroughbred
Americanadjective
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of pure or unmixed breed, stock, or lineage, as a horse or other animal; bred from the purest and best blood.
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(sometimes initial capital letter) of or relating to the Thoroughbred breed of horses.
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(of a person) having good breeding or education.
noun
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(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.
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a thoroughbred animal.
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a well-bred or well-educated person.
adjective
noun
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a pedigree animal; purebred
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a person regarded as being of good breeding
noun
Other Word Forms
Etymology
Origin of thoroughbred
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The Jockey Club, a thoroughbred registry and leading industry group, brought in consultants from McKinsey to help.
From The Wall Street Journal • May 1, 2026
Shoemaker moved into thoroughbred training after he stopped riding.
From Los Angeles Times • Apr. 26, 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
Barry Hills: British thoroughbred horse trainer had 3,181 winners in Britain and won four of the five British Classics at least once.
From BBC • Dec. 18, 2025
A thoroughbred of the streets, Jemmy acted on instinct.
From "The Whipping Boy" by Sid Fleischman
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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.