What does "life force" mean?

The hypothetical principle that animates all living organisms.

What is a synonym for "life force"?

Common synonyms include: vitality, anima, animate energy, animating, animating force, atman.

noun

noun ·Moderate ·College level

Noun

1
The hypothetical principle that animates all living organisms. countable, uncountable
"The human tribe partakes of the mana or life-force of the animal, and is strengthened[.]"
2
(biology) a hypothetical force (not physical or chemical) once thought by Henri Bergson to cause the evolution and development of organisms wordnet
3
An impulse or influence that gives something life or vitality. countable, uncountable

"The human tribe partakes of the mana or life-force of the animal, and is strengthened[.]"