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
Long before Cignetti was laying waste to college football’s blue blood programs, his head coaching journey began in 2011 when he was hired by a once-proud Division II program called Indiana University of Pennsylvania.
From The Wall Street Journal • Jan. 13, 2026
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
Both have learned that being considered a blue blood doesn’t put extra points on the scoreboard.
From Los Angeles Times • Dec. 19, 2024
And if we take a step down to Duchesses, Marchionesses, &c., we shall find that blue blood is usually associated with a taste for true British domesticity.
From A Word to Women by Humphry, Mrs. C. E.
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.
