thoroughbred

1 of 2

adjective

thor·​ough·​bred ˈthər-ə-ˌbred How to pronounce thoroughbred (audio)
ˈthə-rə-
Synonyms of thoroughbrednext
1
: bred from the best blood through a long line : purebred
thoroughbred dogs
2
a
Thoroughbred : of, relating to, or being a Thoroughbred horse
b
: having characteristics resembling those of a Thoroughbred
3
: thoroughly trained or skilled
a thoroughbred soldier

thoroughbred

2 of 2

noun

1
: a purebred or pedigreed animal
2
Thoroughbred : any of an English breed of light speedy horses kept chiefly for racing that originated from crosses between English mares of uncertain ancestry and Arabian stallions
3
: a thoroughly educated or skilled person

Illustration of thoroughbred

Illustration of thoroughbred
  • Thoroughbred

Examples of thoroughbred in a Sentence

Adjective a thoroughbred dog
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Adjective
Historically, thoroughbred ownership has been one of the most exclusive activities in sports. Robert Daugherty, Forbes.com, 23 June 2026 Balmoral was home to both harness and thoroughbred racing in the decades since the track was purchased in 1926 as Lincoln Fields. Olivia Stevens, Chicago Tribune, 21 June 2026
Noun
Luxus now transforms luxury handbags into investable portfolios, while MyRacehorse offers fractional ownership in elite thoroughbreds, even celebrating major wins like the Preakness. Robert Daugherty, Forbes.com, 23 June 2026 The backstory Cashel Palace’s owners, the Magnier family, built their fortune breeding thoroughbreds, including Epsom Derby-winning Galileo, at the nearby Coolmore Stud. Condé Nast, Condé Nast Traveler, 2 June 2026 See All Example Sentences for thoroughbred

Word History

First Known Use

Adjective

1701, in the meaning defined at sense 3

Noun

1728, in the meaning defined at sense 1

Time Traveler
The first known use of thoroughbred was in 1701

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Cite this Entry

“Thoroughbred.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/thoroughbred. Accessed 25 Jun. 2026.

Kids Definition

thoroughbred

1 of 2 adjective
thor·​ough·​bred ˈthər-ə-ˌbred How to pronounce thoroughbred (audio)
ˈthə-rə-
1
: bred from the best stock through a long line : purebred
thoroughbred dogs
2
capitalized : of, relating to, or being a Thoroughbred horse

thoroughbred

2 of 2 noun
1
: a purebred or pedigreed animal
2
capitalized : any of an English breed of light speedy horses kept chiefly for racing

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