zest (third-person singular simple present zests, present participle zesting, simple past and past participle zested) (cooking) To scrape the zest from a fruit. Zesting an orange Zest[1] is a food ingredient that is prepared by scraping or cutting from the rind of unwaxed citrus fruits such as lemon, orange, citron, and lime. Zest is used to add flavor to many different types of food. In terms of fruit anatomy, the zest is obtained from the flavedo (exocarp) which is also called zest. [2] The flavedo and white pith (albedo) of a citrus fruit together makes up its peel. [3] The amounts of both flavedo and pith are variable among citrus fruits, and ... Mountaineers who climb Mount Everest, such as this climber, could be said to have zest, as they have "motivation in challenging situations or tasks". In positive psychology, zest (or enthusiasm) is among the discrete strengths people possess. Having zest means treating life as an adventure and feeling motivated in challenging situations. People with zest display enthusiasm, excitement, and energy as they tackle life's tasks. [1]: 241 [2] Zest is a component of the virtue of courage in some ... ZEST meaning: 1. enthusiasm, eagerness, energy, and interest: 2. the skin of an orange, lemon, or lime, used to…. Learn more.