by return of post

== English == === Alternative forms === by return (ellipsis) === Prepositional phrase === by return of post (UK) Replying in the next available mail delivery. (UK, by extension, figuratively) Replying immediately or as soon as possible. ==== Translations ==== === Further reading === “by return of post”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022. “by return of post”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present. “by return of post” in Longman Dictionary of Contemporary English, Longman. “by return of post” (US) / “by return of post” (UK) in Macmillan English Dictionary.