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
Conventions are holding up; the weakness is leisure – the city's lifeblood.
—
Rajesh Kumar Singh, USA Today, 19 Feb. 2026
The free flow of information is the lifeblood of the world’s third largest financial center, after New York and London, and Apple Daily — for all its lurid crime stories and salacious gossip — was among a litany of outlets holding government officials to account.
—Andy Browne, semafor.com, 16 Feb. 2026
Maryland’s Democratic Party establishment has turned energy from the lifeblood of our prosperity into yet another vehicle to increase the high cost of living for working families.
—Justin Ready, Baltimore Sun, 15 Feb. 2026
Experimentation and evolution are the lifeblood of pop-ups.
—Bill Addison, Los Angeles Times, 14 Feb. 2026
See All Example Sentences for lifeblood
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Rajesh Kumar Singh, USA Today, 19 Feb. 2026
The free flow of information is the lifeblood of the world’s third largest financial center, after New York and London, and Apple Daily — for all its lurid crime stories and salacious gossip — was among a litany of outlets holding government officials to account.
—Andy Browne, semafor.com, 16 Feb. 2026
Maryland’s Democratic Party establishment has turned energy from the lifeblood of our prosperity into yet another vehicle to increase the high cost of living for working families.
—Justin Ready, Baltimore Sun, 15 Feb. 2026
Experimentation and evolution are the lifeblood of pop-ups.
—Bill Addison, Los Angeles Times, 14 Feb. 2026
See All Example Sentences for lifeblood
Cite this Entry
“Lifeblood.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lifeblood. Accessed 27 Feb. 2026.
Copy CitationKids Definition
lifeblood
noun
life·blood
ˈlīf-ˈbləd
: something that gives strength and energy
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