[cheer-ee-oh, cheer-ee-oh]Chiefly British
goodbye; goodbye and good luck.
(used as a toast to one's drinking companions.)
noun, plural cheer·i·os.
a goodbye or farewell.
a toast of “cheerio!”
adieu, goodbye, sendoff, bye-bye, valediction, salutation, parting, ciao, adios, leave-taking, Godspeed, farewell, send-off, arrivederci, bye, sayonara, ta-ta, toodle-oo
Origin of cheerio
1905–10; see cheero; source of -i- is unclear
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for cheerio
Historical Examples of cheerio
sentence substitute informal, mainly British
a farewell greeting
a drinking toast
NZ a type of small sausage
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
upbeat parting exclamation, British, 1910, from cheer.
Online Etymology Dictionary, © 2010 Douglas Harper