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What does vigorous mean?
vigorous - energetic Possessing vigor; full of physical or mental strength or active force; strong; lusty; robust; as, a vigorous youth; a vigorous plant. .
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" .
strong and active physically or mentally; "a vigorous old man who spent half of his day on horseback"- W.H.Hudson (MORE)
