Sinewy /(?)/

Sin·ew·y

Sinewy

a.
  1. Pertaining to, consisting of, or resembling, a sinew or sinews.
    The sinewy thread my brain lets fall.
    — Donne.
  2. Well braced with, or as if with, sinews; nervous; vigorous; strong; firm; tough; as, the sinewy Ajax.
    A man whose words . . . were so close and sinewy.