Breadcrumb Home > Dictionary > Index G goony: Meaning and Definition of Find definitions for: goon•y Pronunciation: (g'nē), [key] — adj., n., pl. goon•i•er, goon•i•est, goon•ies. —adj. stupid, foolish, or awkward: a goony smile on his face. of or like a goon; thuggish; brutal. —n. goon (def. 2a). See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: goony (Thesaurus) goon squad goop TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: locution Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language