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Synonyms

young blood

American  

noun

  1. youthful people.

  2. fresh new ideas, practices, etc.; vigor.


young blood British  

noun

  1. young, fresh, or vigorous new people, ideas, attitudes, etc

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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

Further investigation identified seven transcription factor genes that strongly influence whether leukemia cells looked like old or young blood cells.

From Science Daily • Dec. 5, 2024

"I just hope that America finds some really young blood," he says.

From BBC • Oct. 25, 2023

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

“Gonadal hormones, transfusion of young blood, magnesium salts . . .” “And do remember that a gramme is better than a damn.”

From "Brave New World" by Aldous Huxley