Ade (e?d) n. George, 1866?1944, U.S. humorist. -ade1 , 1. a suffix found in nouns denoting an action or process or the person or persons acting, appearing in loanwords from Romance languages (cannonade; fusillade; renegade), and occasionally productive in English (blockade). 2. a noun suffix indicating a drink made of a particular fruit, normally a citrus: lemonade. [