Synonyms for cheerio Found 14 synonyms across 1 meaning for “cheerio”. a farewell remark (noun) adieuadiosarrivedercibyebye-byegood-bygoodbygood-byegoodbyesayonara Explore Related Words Rhymes with cheerioSynonyms for adieuSynonyms for adiosSynonyms for arrivederciSynonyms for byeSynonyms for bye-bye Synonym Finder | Rhyme Finder | Poetry Editor