[adj] of a consistency requiring chewing; "chewy caramels" [adj] requiring much chewing
elastic, tough
cartilaginous, cohesive, coriaceous, durable, fibrous, gristly, hard, hardy, lasting, leatherlike, leathery, resistant, ropy, sinewy, stiff, stringy, strong, stubborn, tenacious, tough, tough as leather, untiring, vigorous, viscid, wiry