Zest is a word that refers to a lively, enthusiastic and energetic approach to life. However, there are many synonyms for the word "zest" which can be used in its place to convey similar sentiments. Some of the synonyms for "zest" include enthusiasm, energy, vigor, liveliness, exuberance, verve, vivacity, passion, excitement, and spirit. Each of these words has a slightly different connotation, but they all capture that sense of enthusiasm and excitement that comes with living life to the fullest. Whether you choose to use zest or one of its synonyms, the message is clear: life is meant to be lived with energy and enthusiasm.