What is contributing to life; necessary to, or supporting, life; as, vital blood. Do the heavens afford him vital food Spenser. And vital virtue infused, and vital warmth. Milton called?

vital — Contributing to life; necessary to, or supporting, life; as, vital blood. Do the heavens afford him vital food Spenser. And vital virtue infused, and vital warmth. Milton. (Webster's 1913.)

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