Wordnet 3.0
ADJECTIVE (2)
1.
characterized by forceful and energetic action or activity;
- Example: "a vigorous hiker"- Example: "gave her skirt a vigorous shake"- Example: "a vigorous campaign"- Example: "a vigorous foreign policy"- Example: "vigorous opposition to the war"2.
strong and active physically or mentally;
- Example: "a vigorous old man who spent half of his day on horseback"- W.H.Hudson
The Collaborative International Dictionary of English v.0.48:
Vigorous \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.
[1913 Webster]
Famed for his valor, young,
At sea successful, vigorous and strong. --Waller.
[1913 Webster]
2. Exhibiting strength, either of body or mind; powerful;
strong; forcible; energetic; as, vigorous exertions; a
vigorous prosecution of a war.
[1913 Webster]
The beginnings of confederacies have been always
vigorous and successful. --Davenant.
[1913 Webster] -- Vig"or*ous*ly, adv. --
Vig"or*ous*ness, n.
[1913 Webster]
WordNet (r) 3.0 (2006):
vigorous
adj 1: characterized by forceful and energetic action or
activity; "a vigorous hiker"; "gave her skirt a vigorous
shake"; "a vigorous campaign"; "a vigorous foreign
policy"; "vigorous opposition to the war"
2: strong and active physically or mentally; "a vigorous old man
who spent half of his day on horseback"- W.H.Hudson