red letter day
English · Thesaurus
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red letter day
Where it comes from
An allusion to the practice, dating to classical antiquity, of marking important days in red on calendars.
noun red letter days · red-letter day
- A day marked in red on calendars; a church feast day. The only red-letter day occurring in July, is the twenty-fifth, called St James's Day.
-
A particularly significant day; a day of personal or sectarian celebration.
Monday was a red letter day for her. She accomplished a lot and had fun doing it.
Similar: day of days, red letter date
Translations
Every language
noun day of special significance
| 中文 | 大日子 dàrìzǐ, 里程碑 lǐchéngbēi |
|---|---|
| Русский | па́мятный день pámjatnyj denʹ, пра́здник prázdnik |
Talk about this word "red letter day." Wiktionary, via Micwyn, micwyn.com/word/red%20letter%20day. Accessed 7 Nov. 2026. red letter day. (n.d.). In Wiktionary, via Micwyn. Retrieved November 7, 2026, from https://micwyn.com/word/red%20letter%20day "red letter day." Wiktionary, via Micwyn. Accessed November 7, 2026. https://micwyn.com/word/red%20letter%20day.Cite this
@misc{red_letter_day_2026,
title = {red letter day},
howpublished = {Wiktionary, via Micwyn},
year = {2026},
url = {https://micwyn.com/word/red%20letter%20day},
urldate = {2026-11-07}
}