Antonyms for the word "re-vitalizing" include terms such as "exhausting," "depleting," "weakening," and "devitalizing." When something is deemed as "re-vitalizing," it means that it is renewing and restoring its strength, vitality, and energy. Therefore, the opposite of this concept involves diminishing or draining one's energy, leaving them feeling fatigued or lifeless. Many things can contribute to this sense of devitalization, such as poor diet, lack of sleep, and stress. The antonyms of "re-vitalizing" highlight the importance of taking care of oneself and identifying when it is time to rest and recharge.