The antonyms for the phrase "painful heel" include words that signify comfort, ease, and relief. One of the direct antonyms for painful could be painless, indicating a heel where no discomfort is experienced. Additionally, words such as comfortable, soothing, and calm would be perfect antonyms for the phrase. Other related antonyms are pleasant, easy, effortless, and relaxing. Other signs of relief and healing would include the use of antonyms like tranquility, peace, enjoyable, and straightforward. A list of antonyms for "painful heel" provides a positive outlook and indicates a return to regular physical activity.