English

Alternative forms

• red-letter day

Noun

red letter day ‎(plural red letter days)

1. (idiomatic) A particularly significant day or a day to celebrate (personal or sectarian).

   Monday was a red letter day for her. She accomplished a lot and had fun doing it.

   We saw losses for days in a row, but Black Tuesday was the worst red letter day of them all.

   • 1975, John Ankenbruck, Twentieth Century History of Fort Wayne - Page 286

     "In the meantime, the St. Valentine's Day Massacre at Chicago was a red-letter day in the gangster wars."

Usage notes

• Usually used to refer to a notably positive, favorable occasion, but sometimes used with a negative sense.

Synonyms

• day of days

Antonyms

• black letter day

Translations