In fine feather is a phrase that refers to someone who is in good physical condition. Some antonyms for in fine feather include frail, weak, unwell, sickly, and feeble. These words represent the opposite of being in good health and suggest a state of discomfort or poor physical condition. While being in fine feather can be associated with strength, vibrancy, and energy, the antonyms mentioned above are a reminder to take care of our bodies and prioritize our health. It's important to seek medical attention when necessary and maintain a healthy lifestyle to avoid being in a weakened state.