Synonyms: vital
Definition: manifesting or characteristic of life
Usage: a vital, living organism; vital signs
Definition: possessing life
Usage: the happiest person alive; the nerve is alive; doctors are working hard to keep him alive; burned alive; a live canary
Synonyms: 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
Similar words: animated, alive
Definition: having life or vigor or spirit
Usage: an animated and expressive face; animated conversation; became very animated when he heard the good news
Synonyms: 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
Similar words: indispensable
Definition: not to be dispensed with; essential
Usage: foods indispensable to good nutrition