Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun lifeblood

2 senses of lifeblood

Sense 1
lifeblood -- (the blood considered as the seat of vitality)
       => blood -- (the fluid (red in vertebrates) that is pumped through the body by the heart and contains plasma, blood cells, and platelets; "blood carries oxygen and nutrients to the tissues and carries away waste products"; "the ancients believed that blood was the seat of the emotions")

Sense 2
lifeblood -- (an essential or life-giving force; "water is the lifeblood of India")
       => force -- (a powerful effect or influence; "the force of his eloquence easily persuaded them")