adj. 1. a. Strong and healthy; robust: "Her splendid, vigorous body lay still and relaxed under the loose folds of her clothing" (Willa Cather). b. Growing or spreading rapidly: a vigorous vine. 2. Characterized by or done with force and energy: "With a vigorous shake to get rid of the brine in his hair, he ran into the woods to hunt small game" (John Muir). See Synonyms at active. 3. Forceful; effective: a model of vigorous prose. vigor·ous·ly adv. vigor·ous·ness n. |
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