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vital organ


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Also see: organ

WordReference Random House Learner's Dictionary of American English © 2025
vi•tal /ˈvaɪtəl/USA pronunciation   adj. 
  1. Biologyof, relating to, or necessary to life:vital processes of food and energy production.
  2. energetic, lively, or forceful:a vital leader.
  3. absolutely necessary for the existence, continuance, or well-being of something;
    of great importance;
    indispensable;
    essential:vital supplies.
  4. of critical importance:vital decisions.
vi•tal•ly, adv. See -vit-.

WordReference Random House Unabridged Dictionary of American English © 2025
vi•tal  (vīt′l),USA pronunciation adj. 
  1. Biologyof or pertaining to life:vital processes.
  2. having remarkable energy, liveliness, or force of personality:a vital leader.
  3. Biologybeing the seat or source of life:the vital organs.
  4. Biologynecessary 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.
  • Latin vītālis, equivalent. to vīt(a) life (derivative of vīvere to live; akin to Greek bíesthai, Sanskrit jīvati (he) lives, English quick) + -ālis -al1
  • Middle English 1350–1400
vi′tal•ly, adv. 
vi′tal•ness, n. 
    • 5.See corresponding entry in Unabridged important, critical.
Collins Concise English Dictionary © HarperCollins Publishers::
vital / ˈvaɪtəl/
  1. essential to maintain life: the lungs perform a vital function
  2. forceful, energetic, or lively: a vital person
  3. of, relating to, having, or displaying life: a vital organism
  4. indispensable or essential: books vital to this study
  5. of great importance; decisive: a vital game
  1. (plural) the bodily organs, such as the brain, liver, heart, lungs, etc, that are necessary to maintain life
  2. (plural) the essential elements of anything
Etymology: 14th Century: via Old French from Latin vītālis belonging to life, from vīta lifeˈvitally

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