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lifeblood

American  
[lahyf-bluhd] / ˈlaɪfˌblʌd /

noun

  1. the blood, considered as essential to maintain life.

    to spill one's lifeblood in war.

  2. a life-giving, vital, or animating element.

    Agriculture is the lifeblood of the country.


lifeblood British  
/ ˈlaɪfˌblʌd /

noun

  1. the blood, considered as vital to sustain life

  2. the essential or animating force

"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 lifeblood

First recorded in 1580–90; life + blood


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.

See Examples For:

“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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