Zesty is an adjective used to describe something that is lively, exciting, or full of flavor. It can refer to food that is highly flavored or even spicy, such as a zesty sauce or salad dressing. It can also describe a person or crowd that is enthusiastic and energetic, such as a zesty party or zesty trading in growth stocks. In some contexts, it can also have a connotation of being sexy or attractive. Overall, zesty is a positive and appealing descriptor that implies a sense of liveliness and excitement.