When we talk about the term "most depleting," we refer to something that is draining and exhausting. Its opposing words include invigorating, revitalizing, and energizing. So, while the term "most depleting" talks about an activity that takes the energy out of you, its antonymous words refer to activities that replenish your energy levels. For instance, activities like engaging in a hobby, exercising, or spending time with loved ones. So, if you're feeling completely drained out and looking to recharge your energy, try indulging in activities that make you feel revitalized and invigorated. This way, you can offset the effects of the activities that are draining you.