-adesuff. A sweetened beverage of: limeade.[Middle English, from Old French, ultimately from Latin -?ta, feminine of -?tus, -ate; see -ate1.]American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.-ade suffix forming nouns a sweetened drink made of various fruits: lemonade; limeade. [from French, from Latin -?ta made of, feminine past participle of verbs ending in -?re]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014Ade (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. [