There are various antonyms for the term fit eat, which refers to consuming healthy and balanced meals. One of the antonyms is 'junk food,' which denotes food items that are high in calories, sugar, and unhealthy fats, leading to various health problems. 'Unhealthy eating habits' is another antonym, which highlights the practice of consuming processed and unhealthy foods regularly, leading to weight gain and chronic diseases. 'Indulgent eating' is another antonym, which refers to overeating or consuming calorie-dense foods, leading to lethargy, nausea, and other health issues. Therefore, opting for nutritious and wholesome food items and avoiding these antonyms prevent several health problems and ensure a fit and healthy life.