Synonyms of skin-and-bone

1 Syllable
lean, gaunt, lank
2 Syllables
scraggy, twiggy, skinny, lanky, slender, bony, scrawny, skinnier, spare
3 Syllables
angular, rawboned, underweight, skeletal
4 Syllables
emaciated, malnourished
5 Syllables
undernourished