Wellness is a term that is often associated with physical and mental health. It denotes a state of being healthy, fit and happy. On the other hand, "un-wellness" is the opposite of wellness. It means a state of being unhealthy, unwell or sick. Some antonyms for the word "un-wellness" can be well-being, good health, fitness, vitality or robustness.
When we want to describe the opposite of "un-wellness," we often use words like vitality, healthiness, robustness and soundness. These words highlight a state of being fit, healthy and full of life. These antonyms are used to encourage people to strive for good health by adopting healthy habits, such as exercising regularly, eating a balanced diet, getting enough rest and managing stress levels.