- Pertaining to, consisting of, or resembling, a sinew or
sinews. - Well braced with, or as if with, sinews; nervous; vigorous;
strong; firm; tough; as, the sinewy Ajax.
Meaning of 'sinewy' (Princeton's WordNet)
1 . sinewy
[ s]
Meaning (1): - (of a person) possessing physical strength and weight; rugged and powerful