blue blood


Definition of blue blood

1 \ ˈblü-​ˈbləd \ : membership in a noble or socially prominent family
2 \ -​ˌbləd \ : a member of a noble or socially prominent family

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Other Words from blue blood

blue-blooded \ ˈblü-​ˈblə-​dəd How to pronounce blue-blooded (audio) \ adjective

Examples of blue blood in a Sentence

a woman of blue blood This is where the city's blue bloods like to gather.
Recent Examples on the Web The race to a vaccine: The horseshoe crab's fluorescent blue blood is its best line of defense against toxins. Ashley Shaffer, USA TODAY, "200K dead. That number could double.," 22 Sep. 2020 Abe is a political blue blood who was groomed to follow in the footsteps of his grandfather, former Prime Minister Nobusuke Kishi. Arkansas Online, "Japan PM Shinzo Abe says he's resigning for health reasons," 28 Aug. 2020 Its blue blood is used in medicine to ensure that anything that gets injected or implanted into the human body is free of potential bacterial contamination. Alex Fox, Smithsonian Magazine, "The Race for a Coronavirus Vaccine Runs on Horseshoe Crab Blood," 8 June 2020 Horseshoe crabs are taken from the ocean and drained of a third of their valuable blue blood—a third of a human’s blood is half a gallon—then the crabs are thrown back. Caroline Delbert, Popular Mechanics, "Crab Blood Can Save Your Life, but Not the Synthetic Stuff," 4 June 2020 Galla Placidia’s first husband (who also met an unhappy end) was not some Roman blue blood but a Goth named Athaulf—who happened to be Alaric’s brother-in-law. Cullen Murphy, The Atlantic, "The Man Who Sacked Rome," 9 June 2020 Izzo raised the program to blue blood status in that time, with the fans and students aiding that success and turning it into one of the toughest places to play in college basketball. Chris Solari, Detroit Free Press, "Michigan State's changes: How Spartans' athletic facilities grew in the past 25 years," 5 June 2020 The company that was once an upstart now stands among—if not above—the blue bloods of the US launch industry. Eric Berger, Ars Technica, "The Falcon 9 just became America’s workhorse rocket," 22 Apr. 2020 Since being called up, O’Han, who is 6 feet 3 inches tall and 21 years old, has played in eight games, albeit in a down season for one of the blue bloods of college basketball. Adam Zagoria, New York Times, "Did You Know There Are College Junior Varsity Basketball Teams? North Carolina Has One," 15 Feb. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'blue blood.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of blue blood

1809, in the meaning defined at sense 1

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Time Traveler for blue blood

Time Traveler

The first known use of blue blood was in 1809

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Statistics for blue blood

Last Updated

2 Oct 2020

Cite this Entry

“Blue blood.” Dictionary, Merriam-Webster, Accessed 30 Nov. 2020.

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More Definitions for blue blood

blue blood


English Language Learners Definition of blue blood

: membership in a royal or socially important family
: a member of a royal or socially important family

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