Find the word definition

The Collaborative International Dictionary
Vigorousness

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.

    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. [1913 Webster] -- Vig"or*ous*ly, adv. -- Vig"or*ous*ness, n.

Wiktionary
vigorousness

n. The quality of being vigorous.