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“vigorous”
vigorous (adjective), more vigorous, most vigororous
Descriptive of being healthy, strong, and full of energy: "Shirley's vigorous grandmother is still physically and mentally active despite the fact that she is ninety years old."
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“vigorous”
(Latin: brisk, active, vigorous, energetic; great effort, requiring much energy, arduous)
(Latin: animating, enlivening; vigorous, vigor, active; to be alive, activity, to quicken; then a quickening action of growing; a specific sense of "plant cultivated for food, edible herb, or root" is first recorded in 1767; the differences between the meanings from its original links with "life, liveliness" was completed in the early twentieth century, when vegetable came to be used for an "inactive person".)