blue blood
Americannoun
-
an aristocrat, noble, or member of a socially prominent family.
-
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.
Before his senior year, he could become the centerpiece of a feverish bidding war between blue blood programs.
From The Wall Street Journal • Mar. 19, 2026
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
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
Bilas said he considered Michigan State, which won titles in 1979 and 2000 and has made eight additional Final Four appearances, a blue blood but understood not everyone agreed — including Spartans coach Tom Izzo.
From Los Angeles Times • Dec. 19, 2024
Was there any real blue blood in the place?
From From Squire to Squatter A Tale of the Old Land and the New by Stables, Gordon
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.