Main entry: vital
Definition: manifesting or characteristic of life
Usage: a vital, living organism; vital signs
Main entry: lively, vital, full of life
Definition: full of spirit
Usage: a dynamic full of life woman; a vital and charismatic leader; this whole lively world
Main entry: vital, life-sustaining
Definition: performing an essential function in the living body
Usage: vital organs; blood and other vital fluids; the loss of vital heat in shock; a vital spot; life-giving love and praise
Definition: urgently needed; absolutely necessary
Usage: a critical element of the plan; critical medical supplies; vital for a healthy society; of vital interest