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
Focus on finances Cash flow is the lifeblood of any business, enabling it not just to keep ticking over day to day but also providing it with the resource to develop and grow.
—
Fiona Simpson, Forbes.com, 4 July 2025
For my members who run factories, educational institutions, health care facilities, cyber security and data centers, hospitality, and large retail operations, electricity is the lifeblood of their operations.
—Barry Lee Cohen, Hartford Courant, 26 June 2025
Perhaps most important of all, the ocean is the lifeblood of coastal communities, cultures and economies from Alaska to the Gulf, from West Coast to East.
—John Racanelli, Baltimore Sun, 26 June 2025
But viewership metrics are of significant importance for sports leagues, given that the money from media rights-holders represents the financial lifeblood of the sport.
—Richard Deitsch, New York Times, 17 June 2025
See All Example Sentences for lifeblood
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Fiona Simpson, Forbes.com, 4 July 2025
For my members who run factories, educational institutions, health care facilities, cyber security and data centers, hospitality, and large retail operations, electricity is the lifeblood of their operations.
—Barry Lee Cohen, Hartford Courant, 26 June 2025
Perhaps most important of all, the ocean is the lifeblood of coastal communities, cultures and economies from Alaska to the Gulf, from West Coast to East.
—John Racanelli, Baltimore Sun, 26 June 2025
But viewership metrics are of significant importance for sports leagues, given that the money from media rights-holders represents the financial lifeblood of the sport.
—Richard Deitsch, New York Times, 17 June 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 14 Jul. 2025.
Copy CitationKids Definition
lifeblood
noun
life·blood
ˈlīf-ˈbləd
: something that gives strength and energy
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