month of Sundays
UK /ˌmʌnθ əv ˈsʌndeɪz/ · US /ˌmʌnθ əv ˈsʌnˌdeɪz/ noun
Forms months of Sundays
- noun (idiomatic, informal) A very long time; a period regarded as too long. “It seems like it’s been a month of Sundays since we saw him last.”
Synonyms
eternity forever week of Saturdays week of Sundays aeon age ages blue moon coon's age crow's age dog's age donkey's years eld eon forever and a day interim interlude interval lifetime long haul
Etymology
Probably a reference to the passing of as many Sundays as there are days in a month, that is, between 28 and 31 weeks.
Sources: Wiktionary — from the Wiktionary entry “month of Sundays”, CC BY-SA 4.0. Details