The word "de-vitalizes" refers to something that drains or takes away vitality from a person or thing. Antonyms for this word would include words that suggest the opposite, such as "energize," "invigorate," "stimulate," "empower," "enliven," and "revitalize." These words suggest that something is being infused with vitality, strength, and energy. When used in the context of health, these antonyms can describe activities that promote physical and mental well-being, such as exercise, healthy eating habits, and relaxation techniques. Alternatively, in business, they can describe strategies that motivate employees, increase productivity, and strengthen organizational culture.