blue blood
Americannoun
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an aristocrat, noble, or member of a socially prominent family.
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aristocratic, noble, or socially prominent lineage or relatives.
They boasted a lineage of pure blue blood.
noun
Other Word Forms
Etymology
Origin of blue blood
1825–35; translation of Spanish sangre azul. See sanguine, azure
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.
It was Brown, a Rhode Island blue blood whose name now adorns an Ivy League university, who in 1790 financed Slater’s stolen ideas for a state-of-the-art cotton mill.
From Barron's • Jan. 28, 2026
He also came from Belgium by way of UC Santa Barbara—a far cry from a college hoops blue blood.
From The Wall Street Journal • Nov. 26, 2025
No blue blood wants to fake excitement about schlepping to the Pop-Tart Bowl, no offense to those sentient Pop-Tarts.
From The Wall Street Journal • Oct. 27, 2025
North Carolina, the fellow blue blood that the Bruins will face Saturday afternoon at Madison Square Garden in the CBS Sports Classic, has won five of its six titles since 1982.
From Los Angeles Times • Dec. 19, 2024
State what you can in relation to blue blood.
From A Treatise on Physiology and Hygiene For Educational Institutions and General Readers by Hutchison, Joseph Chrisman
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.
