the day before yesterday

== English == === Noun === day before yesterday (This entry is a translation hub.) ==== Synonyms ==== ereyesterday (obsolete) ==== Translations ==== === Adverb === day before yesterday (This entry is a translation hub.) ==== Synonyms ==== ereyesterday (obsolete except Ireland, Scotland) yesterday but one (regional, colloquial) ==== Antonyms ==== day after tomorrow, overmorrow (obsolete) ==== Related terms ==== day before the day before yesterday nudiustertian (obsolete, rare) ==== Translations ==== === References === “day before yesterday”, in OneLook Dictionary Search.