vigorous

adj

1. Physically strong and active.

   “a vigorous scrub”

   “a vigorous search”

   “Life in the country will be fuller, richer, and more comfortful, because it is freer, healthier, and more vigorous.”

   “Now there are twenty-nine skaters on Wollman Rink Circling in singles and in pairs In this vigorous anonymity”

2. Mentally strong and active.
3. Rapid of growth.

   “a vigorous shrub”