vigorousa.[Cf. OF. vigoros, F. vigoureux, LL. vigorosus.]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.)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.)()