Alternative form of red letter day.
(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 the days in a row, but Black Tuesday was the worst red letter day of them all.
Other Word Forms of Red-letter-day
Origin of Red-letter-day
From the practice of marking feast-days in red on church calendars.
Red-letter-day Is Also Mentioned In
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