sinewy

1 having muscles capable of exerting great physical force the lithe, sinewy body of the ballet company's leading male dancer Synonyms brawny, muscular, rugged, strong, stalwart, stoutRelated Words forceful, forcible, mighty, potent, powerful, puissant; able-bodied, athletic, fit, trim; beefy, burly, husky, strapping; masculine, virile; hard, inured, strengthened, sturdy, tough, toughened; energetic, energized, invigorated, lusty, red-blooded, robust, vigorous, vitalized; hale, healthy, hearty, soundNear Antonyms challenged, disabled, incapacitated, paralyzed; impotent, powerless; puny, slight, small, unathletic, unfit, unhealthyAntonyms delicate, feeble, frail, weak, weakling, wimpy

2 marked by a well-developed musculature the sinewy arms of the weight lifter Synonyms brawny, muscularRelated Words wiry; powerful, strong; beefy, burly, hefty, hulking, husky; able-bodied, athletic, herculean, mighty, robust, rugged, stalwart, stout, strapping, sturdy; muscle-bound; sculptedNear Antonyms nonathletic; debilitated, delicate, effete, enervated, enfeebled, feeble, fragile, frail, weak, weakened, weakly, wimpy; light, lightweight, slight; lean, slender, slim, svelte, sylphlike, thin, willowy; emaciated, gaunt, lank, rawboned, scraggy, spareAntonyms scrawny, skinny