The antonyms for the word "more devitalized" would include energetic, lively, vivacious, robust, vigorous, animated, spirited and dynamic. These words represent the opposite of a state of being exhausted or lacking vitality. They describe a state of liveliness, enthusiasm and energy. When someone is feeling lively or spirited, they are full of vitality and life, and have an infectious energy that can inspire those around them. Leading an active lifestyle, eating a healthy diet, getting enough sleep, and surrounding oneself with positive people are just some ways to stay energized and avoid becoming devitalized.