lifeblood

noun

life·​blood ˈlīf-ˈbləd How to pronounce lifeblood (audio)
-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
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.
Graduate students and postdoctoral trainees are the lifeblood of biomedical research. Deborah Fuller, The Conversation, 28 Mar. 2025 Small businesses are the lifeblood of the economy and need capital to continue serving Main Streets across America. Brock Blake, Forbes.com, 26 Mar. 2025 Talent is the lifeblood of any team and rosters in the NFL are always churning. Parker Gabriel, The Denver Post, 20 Mar. 2025 Rotation is the lifeblood of bull markets and here the rotation is global, from the US to the rest. Moneyshow, Forbes, 21 Mar. 2025 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 15 Apr. 2025.

Kids Definition

lifeblood

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

More from Merriam-Webster on lifeblood

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