vital

1. a. Belonging or relating to life, either animal or vegetable; as, vital energies; vital functions; vital actions. Source: opted

2. a. Contributing to life; necessary to, or supporting, life; as, vital blood. Source: opted

3. a. Containing life; living. Source: opted

4. a. Being the seat of life; being that on which life depends; mortal. Source: opted

5. a. Very necessary; highly important; essential. Source: opted

6. a. Capable of living; in a state to live; viable. Source: opted

7. n. A vital part; one of the vitals. Source: opted

8. adj. urgently needed; absolutely necessary Source: wordnet

9. adj. performing an essential function in the living body Source: wordnet

10. adj. full of spirit; full of life Source: wordnet

11. adj. manifesting or characteristic of life Source: wordnet

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