The antonyms for un-healthinesses are quite straightforward. They are health, fitness, and robustness. Health is the absence of disease and a state of physical, mental, and social well-being. Fitness means being in good condition and capable of performing physical activities with ease. Robustness refers to strong, healthy, and sturdy vitality. Leading a healthy lifestyle, such as consuming nutritious foods, engaging in physical activity, and getting enough rest, helps in promoting well-being and practicing a healthy lifestyle. A healthy lifestyle not only supports the physical health of an individual but also positively contributes to their mental health and emotional well-being.