4 adjectives to describe vital

As Bergson speaks of the élan vital which expresses itself from infinity to infinity, so Froebel says that behind everything there is force, and that we cannot conceive of force without matter on which it can exercise itself.

And the time of these days and these people, with their tragedies and their comedies, was a time of epic splendour;more vital with the stuff and colour of life, I think, than any since the stubborn gray earth out there was made to yield its treasure.

Religion could not enter into it as a plastic element, but was fixed, a veiled, external figure, radiating indeed color and fragrance, but not making one of the struggling, independent vitals of the heart.

my breast is human still: The rising sigh, the falling tear, My languid vitals' feeble rill, The sickness of my soul declare.

4 adjectives to describe  vital