The antonyms for the word "devitalized" include invigorated, energized, stimulated, activated, vitalized, rejuvenated, revitalized, refreshed, enlivened, and renewed. These words pertain to the restoration of energy, life, and vitality in a person's or a thing's system that was once dull or lifeless. These antonyms suggest the infusion of fresh energy to an exhausted mind, body, or even an idea. They connote a sense of renewed strength and vigor, which is the opposite of the sluggish and inert feeling associated with devitalization. Therefore, utilizing these antonyms helps in expressing the opposite meaning of devitalization effortlessly.