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[lahyf-bluhd] /ˈlaɪfˌblʌd/
the blood, considered as essential to maintain life:
to spill one's lifeblood in war.
a life-giving, vital, or animating element:
Agriculture is the lifeblood of the country.
Origin of lifeblood
First recorded in 1580-90; life + blood Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for lifeblood
Contemporary Examples
Historical Examples
  • One reference each of "lifeblood" and "life-blood" were retained.

    Red Cap Tales Samuel Rutherford Crockett
  • The curse impels her to attack him, to seek to drain his lifeblood.

  • And it was as if Dworn's own lifeblood had been drained and his own heart had stopped beating.

    World of the Drone Robert Abernathy
  • Not while my hands are free, my body quick With lifeblood, and my heart a man's.

    Virginia, A Tragedy Marion Forster Gilmore
  • Business was crippled; industry was squeezed dry of its lifeblood.

    Readings in Money and Banking

    Chester Arthur Phillips
British Dictionary definitions for lifeblood


the blood, considered as vital to sustain life
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
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Word Origin and History for lifeblood

also life-blood, 1580s, "blood necessary for life," from life (n.) + blood (n.). Figurative and transferred use is from 1590s.

Online Etymology Dictionary, © 2010 Douglas Harper
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