Definitions of vital:

  • adjective:   manifesting or characteristic of life
    Example: "A vital, living organism"
  • adjective:   performing an essential function in the living body
    Example: "Vital organs"
  • adjective:   urgently needed; absolutely necessary
    Example: "Vital for a healthy society"
  • adjective:   full of spirit
    Example: "A vital and charismatic leader"
  • name:  A surname (rare: 1 in 100000 families; popularity rank in the U.S.: #11130)