haggard, gaunt, thin, cadaverous, pinched, lean, wasted, bony, skeletal, extenuated, more...

obese, corpulent, rotund, portly

gaunt, skinny, thin, scrawny, bony, underweight, more...

poor, lowest, little, pale, own, few

very skinny,   more gaunt,   overly thin,   too thin,   unhealthily thin,   making very lean,   extremely skinny,   as a bone,   skinny and gaunt,   excessively thin