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
Prioritizing venue design recognizes the power of music, entertainment, immersive media and live connection as both cultural lifeblood and business advantage.
—
Olivia Reid, Rolling Stone, 21 Nov. 2025
How to Get Around CityCat Ferry Brisbane’s river is its lifeblood, and the CityCat is the best way to see it.
—Alli Forde, Travel + Leisure, 6 Nov. 2025
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
See All Example Sentences for lifeblood
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Olivia Reid, Rolling Stone, 21 Nov. 2025
How to Get Around CityCat Ferry Brisbane’s river is its lifeblood, and the CityCat is the best way to see it.
—Alli Forde, Travel + Leisure, 6 Nov. 2025
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
See All Example Sentences for lifeblood
Cite this Entry
“Lifeblood.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lifeblood. Accessed 8 Dec. 2025.
Copy CitationKids Definition
lifeblood
noun
life·blood
ˈlīf-ˈbləd
: something that gives strength and energy
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