Meanings
An allusion to the practice, dating to classical antiquity, of marking important days in red on calendars.
How to pronounce "red letter day":
AU
A day marked in red on calendars; a church feast day.
A particularly significant day; a day of personal or sectarian celebration.
Example: "Monday was a red letter day for her. She accomplished a lot and had fun doing it."
Example: "We saw losses for days in a row, but Black Tuesday was the worst red letter day of them all."
Example Sentences
1
Today is a red letter day - I got accepted into my dream university.
2
It was a red letter day for the company as they achieved their highest annual sales.
3
For soccer fans, the World Cup final is always a red letter day.
4
She marked the date as a red letter day in her calendar because it was her wedding anniversary.
5
Winning the lottery was certainly a red letter day in his life.
