-(y)əwē, -wi adjective
Etymology: Middle English senewy, from senewe sinew + -y
1. : having sinews:
a. : full of sinews : tendinous
the sinewy parts of a cut of meat
b. : marked by strong or prominent sinews
sinewy arms rising and falling in tireless unison — T.B.Costain
2. : marked by the strength of sinews : strong and firm : tough
putting down the sum of his experience in his rich sinewy prose — Cyril Connolly
bitter and sinewy intellectuality — Robert Halsband