When it comes to describing someone who is full of vitality, there are plenty of synonyms to choose from. One option is to call them energetic, which conveys an upbeat, lively attitude. Another fitting word is vivacious, which suggests a bubbly, enthusiastic personality. Lively is another useful adjective to use, as it implies a high energy level and a zest for life. Other synonyms to consider include spirited, perky, peppy, and exuberant. All of these words capture the essence of a person who is full of vitality and radiating a positive, dynamic energy.