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.
adv : with vigor; in a vigorous manner; "he defended his ideas
vigorously" [syn: smartly]