Most donein is a term that describes a state of extreme exhaustion and fatigue. When someone is feeling most donein, they are usually too tired or worn out to do anything else. However, there are many antonyms for most donein that can help describe the opposite of this feeling. Some of the antonyms for most donein include energized, refreshed, revitalized, reinvigorated, rejuvenated, and invigorated. These words have the opposite meaning of most donein, as they describe a sense of renewed energy and enthusiasm. So, if you're feeling most donein, try to find ways to refresh and revitalize yourself, so you can feel energized and invigorated once again.