The antonyms for the word "unhealthinesses" are numerous, as there are many words and phrases that describe good health and wellness. The most common antonyms include "healthiness," "wellness," "fitness," "vitality," "wholeness," "soundness," and "robustness." These antonyms describe the condition of being free from illness or injury, physically fit and energetic, mentally and emotionally stable, and having a sense of overall well-being. Furthermore, these antonyms emphasize the importance of maintaining a healthy lifestyle, proper diet and exercise, and positive mental attitudes. So, if you are looking to improve your health and well-being, focus on the antonyms of "unhealthinesses" and work towards a healthier, happier you.