bony dilapidated doddering flat flat-chested fleshless gangling gangly gaunt gawky groggy lank lanky lean lean-fleshed lean-looking meager ramshackle rawboned ricketish rickety rocky scraggy scrawny shaky skeletal skinny spare spindling spindly teetering teetery thin-bellied thin-fleshed tottering tottery tumbledown twiggy undersized underweight unsteady wobbly