01 a. Possessing vigor; full of physical or mental strength or active force; strong; lusty; robust; as, a vigorous youth; a vigorous plant.
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1.
Possessing vigor; full of physical or mental strength or active force; strong; lusty; robust; as, a vigorous youth; a vigorous plant.“Famed for his valor, young, At sea successful, vigorous and strong.” — Waller.
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2.
Exhibiting strength, either of body or mind; powerful; strong; forcible; energetic; as, vigorous exertions; a vigorous prosecution of a war.“The beginnings of confederacies have been always vigorous and successful.” — Davenant.