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Use "sinewed" in a sentence
"His hard, sinewed length seemed indelibly imprinted on her flesh, male in its contours."
"His long frame was hard and lean, not given to bulging muscles but a sinewed toughness."
"I am not an all-organic eater, except in the sense that I try not to eat things that are composed entirely of borosilicates, and I am too much the chemist's daughter (mighty-sinewed chemist's daughter!) not to make that joke."