life·​blood ˈlīf-ˈbləd How to pronounce lifeblood (audio)
: blood regarded as the seat of vitality
: 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 Black grooms were the lifeblood of South African stables, caring for the horses and keeping them fit. Ryan Lenora Brown, Smithsonian Magazine, 28 June 2024 The citrus industry became the lifeblood of Glendale, fueling its economy and attracting settlers. Lux Butler, The Arizona Republic, 6 Mar. 2024 McKinsey’s small-business report confirms that micro-, small, and medium-sized enterprises (MSMEs) are the lifeblood of economies worldwide. Amanda Gerut, Fortune, 20 June 2024 Pathogen samples and their genomic sequences are also the lifeblood of new diagnostics, vaccines and therapeutics. Lawrence O. Gostin, Scientific American, 19 June 2024 See all Example Sentences for lifeblood 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'lifeblood.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1579, in the meaning defined at sense 1

Time Traveler
The first known use of lifeblood was in 1579

Dictionary Entries Near lifeblood

Cite this Entry

“Lifeblood.” Dictionary, Merriam-Webster, Accessed 19 Jul. 2024.

Kids Definition


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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