bony, cadaverous, delicate, emaciated, ethereal, featherweight, fine, fragile, gangling, gangly, gaunt, haggard, lank, lanky, lean, lightweight, meager, narrow, peaked, pinched, pole, puny, rangy, rarefied, rawboned, reedy, rickety, scraggy, scrawny, shadow, shriveled, skeletal, skinny, slender, slight, slim, slinky, small, spare, spindly, stalky, starved, stick, stilt, subtle, threadlike, twiggy, twiglike, undernourished, underweight, wan, wasted, wizened.