Vig"or*ous (?), a. [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.
-- Vig"or*ous*ly, adv. -- Vig"or*ous*ness, n.
© Webster 1913.