GNU Collaborative International Dictionary of English

Found one definition

  1.       
    Vigorous (?), 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”.

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    Famed for his valor, young,

    At sea successful, vigorous and strong. Waller.

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    2. Exhibiting strength, either of body or mind; powerful; strong; forcible; energetic; as, “vigorous exertions; a vigorous prosecution of a war”.

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    The beginnings of confederacies have been always vigorous and successful. Davenant.

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    -- Vig"or*ous*ly, adv. -- Vig"or*ous*ness, n.

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