Raw-boned is an adjective used to describe a person or animal with a thin, angular and bony frame. There are several synonyms that can be used to describe individuals with such a structure. Skeletal, emaciated, gaunt and haggard are some of the formal synonyms that can be used in place of raw-boned. Other informal terms that can be used include scrawny, lanky, skinny, gangly and twiggy. These words can be used to paint a more vivid picture of a person's physique, especially when describing a character in writing or conversation. Overall, raw-boned remains a very descriptive word that accurately portrays a certain physical characteristic.