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Definitions

lifeblood

[lahyf-bluhd] / ˈlaɪfˌblʌd /

NOUN

essence

Synonyms

STRONGEST

aspect basis bottom line character core crux element meaning nature principle quality reality root soul spirit structure substance

STRONG

attribute backbone base being bottom burden caliber constitution entity essentiality fiber form fundamentals germ grain kernel life marrow meat nitty-gritty nub nucleus pith point property quiddity quintessence stuff timber vein

WEAK

be-all and end-all chief constituent essentia main idea name of game virtuality

Antonyms

STRONG

abstract exterior exteriority outside top

NOUN

life

Synonyms

STRONGEST

activity growth heart soul

STRONG

being breath brio dash energy enthusiasm entity esprit essence excitement get-up-and-go go impulse liveliness oomph sentience sparkle verve viability vigor vitality vivacity zest zing

WEAK

high spirits élan élan vital

Antonyms

STRONG

apathy dullness inactivity indifference lethargy

NOUN

quintessence

Synonyms

STRONGEST

apotheosis

STRONG

bottom distillation epitome essentiality extract gist heart kernel marrow pith quiddity soul spirit stuff substance ultimate

WEAK

last word virtuality

Antonyms

STRONG

exteriority outside

WEAK

extra

NOUN

whole blood

Synonyms

WEAK

arterial blood blood venous blood

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Diamond mining has been the lifeblood of this part of West Africa since the 1930s.

From BBC • Jun. 3, 2026

“Investors are going to be focused on that metric and trends there, given engagement is really the lifeblood of the company and really what fuels the long-term revenue and earnings growth.”

From MarketWatch • Apr. 15, 2026

These deposits are the lifeblood of the economy, especially in areas outside major cities, where local banks use them to finance loans to individuals, small businesses and farmers.

From Barron's • Jan. 27, 2026

“Cargo remains the lifeblood of the U.S. economy. American farmers, manufacturers, retailers and consumers all depend on how well we move that cargo.”

From Los Angeles Times • Jan. 22, 2026

Motorcycle couriers zipping in and out, the lifeblood of the Park.

From "The Bletchley Riddle" by Ruta Sepetys and Steve Sheinkin

lifeblood

Example Sentences

Related Words