The antonyms for the word "Obese Mouse" are "Skinny Mouse," "Slender Mouse," "Lean Mouse," "Athletic Mouse," "Fit Mouse," "Healthy Mouse," "Trim Mouse," "Svelte Mouse," and "Thin Mouse." These words are a direct opposite of the term "Obese Mouse," which implies a state of being overweight or plump. By using these antonyms, we can describe a healthy or fit mouse, which emphasizes the importance of maintaining a healthy lifestyle. Overall, by choosing antonyms for the word "Obese Mouse," we can help convey a message of health, wellness, and fitness, which are essential for any animal, including mice.