noun
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the blood, considered as vital to sustain life
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the essential or animating force
Etymology
Origin of lifeblood
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.
“Diesel pieces are like the lifeblood to the industrial economy,” said Miskin at Manulife, and the rise in those prices shows up more in the PPI than in the CPI.
From MarketWatch ● Oct. 14, 2026
Its lifeblood of ideas is now the audience’s responsibility.
From Salon ● Aug. 26, 2026
The protagonist of Ibsen’s play, Dr. Thomas Stockmann, is a staff physician at the municipal spa baths, the town’s economic lifeblood.
From Los Angeles Times ● Aug. 26, 2026
Top prospects are the lifeblood that allow them to compete with wealthier opponents who can consistently outspend them for established talent.
From The Wall Street Journal ● Aug. 2, 2026
The portrait people were still missing from their frames; the whole place was eerily still, as if all its remaining lifeblood were concentrated in the Great Hall where the dead and the mourners were crammed.
From "Harry Potter and the Deathly Hallows" by J.K. Rowling
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Get a wordDefinitions 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.