lifeblood
noun
life·blood
ˈlīf-ˈbləd 
-ˌbləd
1
: blood regarded as the seat of vitality
2
: a vital or life-giving force or component
freedom of inquiry is the lifeblood of a university
Examples of lifeblood in a Sentence
The town's lifeblood has always been its fishing industry.
The neighborhoods are the lifeblood of this city.
the lifeblood that flows through his veins
Recent Examples on the Web
But reason-giving is the lifeblood of judicial action.
—
Noah Feldman, Twin Cities, 16 July 2025
Volunteerism has long been the lifeblood of the nonprofit sector.
—Leslye Moore, Forbes.com, 11 July 2025
Currently, the size of the US economy and the stability of the dollar have made the greenback the lifeblood of global finance – and a significant factor in American global power.
—Simone McCarthy, CNN Money, 10 July 2025
Epstein’s alleged connection to powerful figures in politics, business and entertainment has been the lifeblood of right-wing conspiracy theories since the 66-year-old Brooklyn native was taken into custody and later took his own life.
—Brian Niemietz, New York Daily News, 8 July 2025
See All Example Sentences for lifeblood
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Noah Feldman, Twin Cities, 16 July 2025
Volunteerism has long been the lifeblood of the nonprofit sector.
—Leslye Moore, Forbes.com, 11 July 2025
Currently, the size of the US economy and the stability of the dollar have made the greenback the lifeblood of global finance – and a significant factor in American global power.
—Simone McCarthy, CNN Money, 10 July 2025
Epstein’s alleged connection to powerful figures in politics, business and entertainment has been the lifeblood of right-wing conspiracy theories since the 66-year-old Brooklyn native was taken into custody and later took his own life.
—Brian Niemietz, New York Daily News, 8 July 2025
See All Example Sentences for lifeblood
Cite this Entry
“Lifeblood.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lifeblood. Accessed 23 Jul. 2025.
Copy CitationKids Definition
lifeblood
noun
life·blood
ˈlīf-ˈbləd
: something that gives strength and energy
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