Antonyms for the word "overfatigued" refer to physical and emotional states of feeling alert, energized, and refreshed. Some possible antonyms include: rested, rejuvenated, recharged, renewed, invigorated, revitalized, lively, alert, vigorous, refreshed, and energetic. Being overfatigued can lead to exhaustion, burnout, and decreased productivity, which is why it is important to prioritize self-care and rest. Exercise, healthy eating, quality sleep, and taking breaks throughout the day can help prevent overfatigue and improve overall well-being. Incorporating activities that bring joy and relaxation, such as meditation or spending time outdoors, can also help combat overfatigue and promote feelings of renewal and vitality.