More zestless can be described using antonyms such as vibrant, lively, enthusiastic, invigorating, and spirited. These antonyms represent the opposite of having a lack of energy, excitement, and passion. A vibrant and lively individual is full of energy and excitement, making them the opposite of someone who is more zestless. Similarly, an enthusiastic and invigorating person is passionate and motivating, and someone who is more zestless lacks such characteristics. Lastly, a spirited person has a unique and vibrant personality, making them the complete opposite of someone who is dull and more zestless. Antonyms provide us with a great way to express the polar opposite of the original word and describe it more fittingly.