boneyest
bo-ney-est
adjective
Having the least amount of flesh, making bones extremely noticeable; very thin.
"She was the boneyest child in the class."
Thesaurus
Synonyms: strong-boned, boned, bonelike, boney, bone, bony, underweight, lean, scraggly, scraggy, skinny, weedy
Antonyms: boneless