adherent, adhesive, amylaceous, bulldogged, bulldoggish, bulldoggy, bullheaded, cartilaginous, chewy, clabbered, clammy, clingy, close, close-knit, close-textured, close-woven, clotted, coagulated, cohesive, compact, compacted, compressed, concentrated, concrete, condensed, congested, consolidated, coriaceous, crammed, crammed full, crowded, curdled, dense, doughy, durable, fibrous, firm, gaumy, gelatinous, glairy, gluelike, gluey, glutenous, glutinose, glutinous, gooey, gristly, grumous, gumbo, gumbolike, gumlike, gummous, gummy, hard, hardy, heavy, impenetrable, impermeable, inspissated, jam-packed, jammed, jelled, jellied, jellylike, lasting, leatherlike, leathery, massive, mucilaginous, nonporous, obstinate, packed, pasty, persistent, resistant, ropy, self-adhesive, serried, sinewy, slabby, slimy, slithery, solid, starchy, stickable, sticky, stiff, stodgy, stringy, strong, stubborn, substantial, syrupy, tacky, tenacious, thick, thick-growing, thickened, thickset, tough, tough as leather, tremelloid, tremellose, untiring, vigorous, viscose, viscous, wiry