The opposite of being "wert ill with" can be described using antonyms such as healthy, well, fit, and strong. These words indicate a state of physical and mental wellness. A person who is healthy is free from illness or disease, whereas someone who is well has recovered from an ailment. Being fit and strong suggest a level of physical fitness that allows one to perform daily activities with ease. Antonyms such as unwell, sick, weak, and frail, on the other hand, indicate a state of poor health, physical weakness, and susceptibility to illness. It is important to maintain a healthy lifestyle to ensure that you remain on the antonyms side of "wert ill with.