Definition of "Epicureanism"

(ethics) The philosophical belief that pleasure is the highest good, particularly as advocated by Epicurus with a focus on mental pleasures and on avoidance of pain (ataraxia) through moderation and common virtue.  examples

(sometimes proscribed) Synonym of hedonism, general pursuit of pleasure, particularly refined and knowledgeable enjoyment of good food, drink, and similar sensual pleasures.  examples

(obsolete) Synonym of atheism.