breatharianism /ˌbɹɛˈθɛəɹi.ənˌɪzəm/ noun1 •The belief in, or practice of, living without food, subsisting instead on prana or sunlight.Wiley Brooks, the guru of Breatharianism, espouses a system of physical vitality by which one may stop eating and drinking entirely, and live, lichenlike, off light and air. — 1988