Adiposities refer to the accumulation of excess fat in the body. Some of the antonyms for adiposities include leanness, thinness, and slenderness. These terms describe individuals who have a low percentage of body fat and a relatively high muscle mass. Other antonyms for adiposities include ripeness, plumpness, and fullness, which suggest a healthy level of body fat. Overall, the antonyms for adiposities imply a state of optimal health and physical fitness. While excess body fat can lead to health complications, a lack of body fat can also pose health risks. A balanced approach to maintaining a healthy body composition is key to overall well-being.