01 n. Active strength or force of body or mind; capacity for exertion, physically, intellectually, or morally; force; energy.
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1.
Active strength or force of body or mind; capacity for exertion, physically, intellectually, or morally; force; energy.“The vigor of this arm was never vain.” — Dryden.
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2.
Strength or force in animal or vegetable nature or action; as, a plant grows with vigor.
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3.
Strength; efficacy; potency.“But in the fruithful earth . . . His beams, unactive else, their vigor find.” — Milton.