Meaning of vital

vi•tal

Pronunciation: (vīt'l), [key]
— adj.
  1. of or pertaining to life: vital processes.
  2. having remarkable energy, liveliness, or force of personality: a vital leader.
  3. being the seat or source of life: the vital organs.
  4. necessary to life: vital fluids.
  5. necessary to the existence, continuance, or well-being of something; indispensable; essential: vital for a healthy society.
  6. affecting the existence, well-being, truth, etc., of something: a vital error.
  7. of critical importance: vital decisions.
  8. destructive to life; deadly: a vital wound.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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