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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

Yet, liquidity remains the lifeblood of the business as it continues to spend heavily to scale and hit its production goals.

From Barron's • May 12, 2026

Follow-on innovations like TAF are the lifeblood of medical progress.

From The Wall Street Journal • May 5, 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

Chunking is not just a trick for improving memory; it’s the lifeblood of higher intelligence.

From "The Sense of Style" by Steven Pinker

lifeblood

Example Sentences

Related Words