Reenergize is a verb that refers to renewing or replenishing energy in someone or something. Its antonyms are words that mean the opposite: to exhaust, deplete or drain energy. Some examples of antonyms for reenergize include tire, weaken, exhaust, deplete, fatigue, and offset. These words are often used to describe physical and mental exhaustion, burnout, and lack of vitality. When one is unable to reenergize, they may suffer from many health conditions like chronic fatigue syndrome, depression, lethargy or inaction. Therefore, it is essential to take regular breaks, get enough rest, and engage in activities that foster relaxation and joy to prevent burnout and exhaustion.