1.Definition: (biology) a hypothetical force (not physical or chemical) once thought by Henri Bergson to cause the evolution and development of organisms

Category: General

2.Definition: a healthy capacity for vigorous activity

Related Noun(s):energy, vim

Category: General

3.Definition: an energetic style

Related Noun(s):verve

Category: General

4.Definition: the property of being able to survive and grow

"The vitality of a seed"

Related Noun(s):animation

Category: General