lifeblood
Definitions
The blood necessary for the maintenance of life.
The vital or essential force or component that keeps something functioning or healthy.
Examples
Tourism is the lifeblood of the local economy in this coastal town.
The river serves as the lifeblood for the surrounding agricultural communities.
Innovation is the lifeblood of any successful technology company.
Synonyms
Antonyms
triviality periphery trifle nonessential weakness insignificance superfluity