When seeking synonyms for the phrase "more fleshless," one might consider options such as "emaciated," "gaunt," "hollowed," "leaner," "thinner," or "withered." These words all connote a lack of bodily bulk or substance, whether as a result of malnutrition, illness, or low body fat. They may be used to describe individuals, animals, or even objects that appear particularly lacking in physicality. Choosing a precise synonym may depend on the context in which it will be used, as well as the degree of weight loss or physical diminishment being described.