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
- blue-blooded adjective
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
In the brave new world of college football, blue blood means nothing.
From The Wall Street Journal • Jan. 2, 2026
Both have learned that being considered a blue blood doesn’t put extra points on the scoreboard.
From Los Angeles Times • Dec. 19, 2024
The blue blood of an old patrician family, proud of its traditions and proud of its generations of gentle breeding was coursing hotly through the Little Colonel's veins as she spoke.
From The Little Colonel at Boarding-School by Johnston, Annie F. (Annie Fellows)
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.
