6 adjectives to describe stamina

Nothing is told us by his biographers of the person of Boiardo: and it is not safe to determine a man's physique from his writings, unless perhaps with respect to the greater or less amount of his animal spirits; for the able-bodied may write effeminately, and the feeblest supply the defect of corporal stamina with spiritual.

How much of this everyday stamina the Indians possess, it would be presumptuous in me, with so short an opportunity of observation, to decide.

Some very shabby-looking men have extraordinary stamina.

Overbred animals have little stamina; they resemble in this respect the "weedy" colts so often reared from first-class racers.

If they have native stamina of animal constitution, they may become men of passions and opinions, but they never will become men of sentiments and ideas; they may know the truth as it is about a thing, and support it with acrid and wrangling dogmatism, but they never will know the truth as it is in the thing, and support it with faith and insight.

By the time they are six months old they should have sufficient stamina to enable them to withstand the cold of the succeeding winter.

6 adjectives to describe  stamina