ropey, fibrous, wiry, sizable, goodish, athletic, thready, ropy, knock-down, herculean, unchewable, stringy, burly, flexible, healthy, mesomorphic, sizeable, respectable, hefty, elastic, tendinous, hempen, goodly, tidy
rough (part of speech: adjective)
strong (part of speech: adjective)
- There, with a sinewy Arab standing over them,- though as often squatted beside them,- they were permitted to pass the remainder of the night, if not in sleep at least in a state of tranquillity. - "The Boy Slaves", Mayne Reid.
- Almost seven feet tall, Mackenzie took him to be, so tall that he must stoop to enter the door; lithe and sinewy of limbs, a lightness in them as of an athlete bred; broad in the shoulders, long of arms. - "The Flockmaster of Poison Creek", George W. Ogden.
- The leg which was crossed, the foot resting on the left knee, was full and sinewy, the muscles of the thigh well developed, and the round of the calf firmly modelled. - "The Underdog", F. Hopkinson Smith.