vigorous

Strong and healthy; robust.

Growing or spreading rapidly.

Characterized by or done with force and energy: synonym: active.

Forceful; effective.

Possessing vigor of body or mind; full of strength or active force; strong; lusty; robust; powerful; having strong vitality or power of growth, as a plant; also, having or exerting force of any kind.

Exhibiting or resulting from vigor, energy, or strength, either physical or mental; powerful; forcible; energetic; strong.

Synonyms Hale, sound, sturdy, hearty, thrifty, flourishing.

1 and Nervous, spirited.

Possessing vigor; full of physical or mental strength or active force; strong; lusty; robust.