Breadcrumb Home > Dictionary > Index C cheerio: Meaning and Definition of Find definitions for: cheer•i•o Pronunciation: (chēr'ē-ō", chēr"ē-ō'), [key] — interj., n., pl. cheer•i•os. —interj. good-bye; good-bye and good luck. (used as a toast to one's drinking companions.) —n. a good-bye or farewell. a toast of “cheerio!” Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cheerio (Thesaurus) cheerful cheerlead TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: recherch Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language