Antonyms for the word "most potbellied" could include "slender," "fit," "toned," "chiseled," or "muscular." These words describe a physically fit and healthy body composition, which is the opposite of a potbellied physique. A potbelly is often associated with poor diet and lack of exercise, leading to an unhealthy accumulation of fat around the midsection. By contrast, a fit and toned body is the result of healthy eating habits and consistent exercise, which promote a lean and muscular physique. Using antonyms for "most potbellied" can encourage individuals to prioritize their health, fitness, and overall well-being.