aspiration, staying power, formidability, dynamism, motivation, temper, toughness, ambition, continue, resolve, will, ruggedness.
energy (part of speech: noun)
resolution (part of speech: noun)
strength (part of speech: noun)
perseverance (part of speech: noun)
- staying power,
We can do something with a degraded race of savages, if it has any stamina
- "The Complete Essays of C. D. Warner", Charles Dudley Warner.
I was born in India, and spent the first five years of my life there, so that I am idle and languid, without stamina
or moral courage; I am like the poor Bengalees, whom I can just remember.
- "A Houseful of Girls", Sarah Tytler.
To scull successfully one must possess pluck, stamina,
and a cool head, and must, above all, be a waterman.
- "Rowing", Rudolf Chambers Lehmann.