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
Loyalty programs, which in large part make money from selling frequent flyer miles to banks, have now become the lifeblood of many airlines.
—
Leslie Josephs, CNBC, 26 Oct. 2025
Gold remained a lifeblood of the nation into modern times.
—Charlie Campbell, Time, 15 Oct. 2025
In July, the chipmaker became the first public company to surpass a market capitalization of $4 trillion, as its chips remain the lifeblood of the AI boom.
—Sylvan Lane, The Hill, 13 Oct. 2025
Reducing disclosures and transparency means choking off the lifeblood, which keeps investors informed and prices rational.
—Richard Torrenzano, Fortune, 9 Oct. 2025
See All Example Sentences for lifeblood
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Leslie Josephs, CNBC, 26 Oct. 2025
Gold remained a lifeblood of the nation into modern times.
—Charlie Campbell, Time, 15 Oct. 2025
In July, the chipmaker became the first public company to surpass a market capitalization of $4 trillion, as its chips remain the lifeblood of the AI boom.
—Sylvan Lane, The Hill, 13 Oct. 2025
Reducing disclosures and transparency means choking off the lifeblood, which keeps investors informed and prices rational.
—Richard Torrenzano, Fortune, 9 Oct. 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 30 Oct. 2025.
Copy CitationKids Definition
lifeblood
noun
life·blood
ˈlīf-ˈbləd
: something that gives strength and energy
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