vigorous

英['vɪg(ə)rəs] 美['vɪɡərəs]

1. 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"

2. strong and active physically or mentally;

"a vigorous old man who spent half of his day on horseback"- W.H.Hudson