Most sapless means lacking in vitality or liveliness. The antonyms for most sapless are vibrant, lively, energetic, dynamic, and animated. Vibrant refers to being lively and bright, full of energy and enthusiasm. Lively denotes being full of life and energy, animated and spirited. Energetic refers to having an abundance of physical or mental energy, being active and vigorous. Dynamic pertains to being full of energy, forceful and powerful. And animated refers to being full of life and spirit, lively and vigorous. By using these antonyms, one can describe something that is the opposite of most sapless and therefore, full of vitality and energy.