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
Such growth is the lifeblood of the stock market, whose level tends to follow the track of corporate profits over the long term.
—
Stan Choe, Los Angeles Times, 16 Apr. 2026
And his diagnosis of jealous hatred—where enjoying other people’s mistakes becomes your lifeblood, and knocking down your rivals becomes a reason to exist—still feels fresh and alive.
—Literary Hub, 14 Apr. 2026
In a way, comedy was our lifeblood, the mortar of our budding interests and personalities.
—Lee Kelly, PEOPLE, 12 Apr. 2026
Partnerships with artists, fans, media outlets, sponsors, vendors or community stakeholders are the lifeblood of long-term brand growth.
—Terri Liebler, Rolling Stone, 9 Apr. 2026
See All Example Sentences for lifeblood
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Stan Choe, Los Angeles Times, 16 Apr. 2026
And his diagnosis of jealous hatred—where enjoying other people’s mistakes becomes your lifeblood, and knocking down your rivals becomes a reason to exist—still feels fresh and alive.
—Literary Hub, 14 Apr. 2026
In a way, comedy was our lifeblood, the mortar of our budding interests and personalities.
—Lee Kelly, PEOPLE, 12 Apr. 2026
Partnerships with artists, fans, media outlets, sponsors, vendors or community stakeholders are the lifeblood of long-term brand growth.
—Terri Liebler, Rolling Stone, 9 Apr. 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 28 Apr. 2026.
Copy CitationKids Definition
lifeblood
noun
life·blood
ˈlīf-ˈbləd
: something that gives strength and energy
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Merriam-Webster unabridged
