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Synonyms

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:

Moreover, the cargo ships that carry the world’s lifeblood are intriguing physical spaces that rarely get explored on screen.

From The Wall Street Journal Aug. 20, 2026

Lender losses drive a contraction of credit availability, the lifeblood of modern economies, leading to slowing economic activity and driving further iterations of the pernicious cycle.

From MarketWatch Jul. 9, 2026

"If you're competing for media dollars, which is the economic lifeblood of every sport in this country, you need to be constantly improving the product," he said.

From BBC Jun. 23, 2026

For Pixar, the reliance on “Toy Story” reflects a shift away from originals that used to be its lifeblood.

From Los Angeles Times Jun. 18, 2026

I told the president that the current conflict was draining South Africa’s lifeblood and talks were the only solution.

From "Long Walk to Freedom" by Nelson Mandela

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