lifeblood

noun

life·​blood ˈlīf-ˈbləd How to pronounce lifeblood (audio)
-ˌbləd
Synonyms of lifebloodnext
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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Since diesel is the lifeblood of the supply chain, a sudden rise in fuel costs will all but certainly result in higher prices charged by wholesalers in response to elevated transport expenses, some analysts said. Max Zahn, ABC News, 19 Mar. 2026 This dedication is, according to Hinamoto, the lifeblood of the industry—the uncelebrated workers whose craftsmanship ensures the survival and global reverence of Japanese denim. Jessica Binns, Sourcing Journal, 18 Mar. 2026 Heavily stylized visuals, elaborate practical effects, heightened performances, and precise editing are horror’s lifeblood — and yet that same intensity is often used to dismiss the genre as cheap or banal. Alison Foreman, IndieWire, 17 Mar. 2026 Moscow has been eager to expand its energy relationship with Beijing, an act that will provide lifeblood to Russia’s economy. Lyle Goldstein, Chicago Tribune, 17 Mar. 2026 See All Example Sentences for lifeblood

Word History

First Known Use

1579, in the meaning defined at sense 1

Time Traveler
The first known use of lifeblood was in 1579

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Cite this Entry

“Lifeblood.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lifeblood. Accessed 28 Mar. 2026.

Kids Definition

lifeblood

noun
life·​blood ˈlīf-ˈbləd How to pronounce lifeblood (audio)
: something that gives strength and energy

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