What does cheerio mean?
Cheerio is an informal British expression used to say goodbye. Uttered as a light-hearted parting word, it carries connotations of warmth, breeziness, and old-fashioned English charm — the sort of farewell accompanied by a wave or a tip of the hat. Though its popularity has faded somewhat since its mid-twentieth-century heyday, it remains widely recognised throughout Britain and the Commonwealth, where it functions as a casual alternative to 'goodbye', alongside similar coinages such as 'ta-ta' and 'toodle-oo'. The word can also appear as a noun when speakers discuss the term itself, as in quoting someone's parting 'cheerio'. Because of its strong regional flavour, it may strike American listeners as quaint or comical, often evoking caricatures of English speech. Cheerio is best reserved for relaxed, friendly farewells; in formal correspondence or serious occasions, a more conventional closing would be appropriate. Its playful sound and enduring cultural resonance make it a memorable example of colloquial British English.
Used to express farewell; goodbye.
"He tipped his hat and said, "Cheerio!""
Chiefly British and informal.
The interjection 'cheerio', especially when referred to as a word.
"Her letters always ended with a cheery 'cheerio'."
Plural 'cheerios'; rare outside linguistic discussion.
Applies only to the noun sense referring to the word itself; very rarely encountered.
"The novel's dialogue is sprinkled with cheerful cheerios."
This bouncy little goodbye was born in early 20th-century Britain and became so iconic that 'Cheerio!' is practically a shorthand stereotype for the stereotypical Englishman waving his hat.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of cheerio
Cheerio arose in Britain in the early twentieth century as an extended form of 'cheer', likely influenced by the nautical calls 'cheer ho!' and 'hooray'. It belongs to a family of playful British farewell coinages of the same era, including 'toodle-oo' and 'pip-pip'. Its root, 'cheer', traces back through Old French 'chiere' ('face, expression') to Late Latin 'cara' ('face'), which also gives us 'cheerful' and 'cherubic'-adjacent words like 'carafe'? — more reliably, 'cheer', 'cheerful', and 'cheers' share the same lineage.
How cheerio is actually used
Register is distinctly informal and colloquial, and the word carries strong British associations — it can sound quaint, old-fashioned, or even playfully theatrical to modern ears. It is friendly rather than solemn, best suited to casual goodbyes among acquaintances; using it in a formal or sombre context would come across as jarring or affected.
Easily confused with cheerio
'Cheer' is a shout of encouragement or a toast of goodwill, while 'cheerio' is specifically a British informal way of saying goodbye.