adj containing life; living.
2. vital ·noun a vital part; one of the vitals.
3. vital ·adj very necessary; highly important; essential.
4. vital ·adj capable of living; in a state to live; viable.
5. vital ·adj being the seat of life; being that on which life depends; mortal.
6. vital ·adj contributing to life; necessary to, or supporting, life; as, vital blood.
7. vital ·adj belonging or relating to life, either animal or vegetable; as, vital energies; vital functions; vital actions.