new wine in an old bottle

== English == === Etymology === From Matthew 9:17 of the King James Bible. === Noun === new wine in an old bottle (plural new wine in old bottles) (idiomatic) A significant change introduced to an entrenched system or method. Synonym: new wine in an old wineskin (idiomatic) A new thing passed off as old. ==== Usage notes ==== See old wine in a new bottle. ==== Derived terms ==== ==== Translations ==== === See also === === References ===