01 a. Pertaining to, consisting of, or resembling, a sinew or sinews.
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1.
Pertaining to, consisting of, or resembling, a sinew or sinews.“The sinewy thread my brain lets fall.” — Donne.
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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.” — Hare.