Morbid obesity is a serious health condition in which a person's body weight is excessively higher than the ideal weight, leading to several health complications. On the other hand, antonyms for morbid obesity are words that represent the opposite condition, which is a healthy body weight. Such antonyms include fit, slim, slender, lean, svelte, petite, and toned. Having a healthy body weight leads to better physical and mental wellbeing, reduces the risk of various diseases like heart disease, diabetes, and high blood pressure, and improves overall quality of life. Therefore, maintaining a healthy body weight through regular exercise and a balanced diet is crucial for leading a happy and healthy life.