young blood
Americannoun
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youthful people.
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fresh new ideas, practices, etc.; vigor.
noun
Etymology
Origin of young blood
First recorded in 1620–30
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.
Longevity is something that we can best achieve not as individuals taking supplements and getting transfusions of young blood, but by collectively engaging in and contributing via tax dollars to practices that promote everyone’s well-being.
From Slate • Aug. 7, 2025
What's more, patients whose leukemia cells more closely reflected young blood cell production had a much worse prognosis than those whose leukemia cells more closely reflected old blood cell production.
From Science Daily • Dec. 5, 2024
"They wanted to bring in young blood," added Balague.
From BBC • Aug. 21, 2024
Most of the science behind young blood transfusion is bunk — that much is true, according to the Food and Drug Administration.
From Salon • Aug. 27, 2023
“A’ight, I got a few of the brothers from the church to help us out. That makes six of us. Three on each side. Put young blood in the middle. Should be smooth.”
From "The Boy in the Black Suit" by Jason Reynolds
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.
