The antonyms for the phrase "on sick list" refer to being healthy and active. Some of the antonyms include "fit," "well," "healthy," "fine," "strong," "energetic," "vital," and "robust." When someone is not on the sick list, they can participate in daily activities, exercise, and live their life without any physical limitations. Being fit and strong involves maintaining a healthy lifestyle and taking care of oneself. In contrast, being on the sick list means that someone is unwell or injured and unable to function at full capacity. It is important to take care of one's health to avoid being on the sick list and to maintain a positive and active lifestyle.