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Memorably happy: a red-letter day.

[From the practice of marking in red the holy days in church calendars.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


1. marked by red letters, as festival days in the church calendar.
2. memorable; especially important or happy: a red-letter day in my life.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend: - memorable for being a special occasion; "on red-letter nights a large gathering greeted the celebrity"
unforgettable - impossible to forget
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


[ˈredˈletəʳ] ADJ red-letter day (fig) (= memorable day) → día m señalado
red-letter version (of Bible) edición de la Biblia con la palabra de Jesucristo impresa en rojo
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005
References in classic literature ?
"Well," said the Truthful Man, "the weather is not right for fishing, but it's a red-letter day for music."
Wednesdays and Saturdays came to be, indeed, red-letter days to her.
"It is a great day for me, sir--one of the red-letter days of my life," he cried with many chuckles.
So wind and frost and snow, and perhaps a good stiff storm of hail, were Toby Veck's red-letter days.
A bulky, blue-chinned man in white clothes, his name red-lettered across his lower shirtfront, spluttering from under a green-lined umbrella almost tearful appeals to be introduced to the Unintroducible; naming loudly the Unnameable; dancing, as it seemed, in perverse joy at mere mention of the Unmentionable--found those limits.
Cafes and restaurants will be open, too.Shops will be closed again on September 15, when Slovakia marks the Day of Our Lady of Sorrows, which is a red-letter day.
He said that on this red-letter day they were along with the Hindu community.
He said: "You'll be at the helm of government, a business leader, entrepreneur, and many more so that this event is a red-letter day not only for you and also for your country as well." "It goes without saying that I join you, your parents and your country in celebrating this event.
December 11, however ,was a red-letter day for me when I read his excellent correspondence in The Journal when he debunked the theories of the climate change/global warming zealots.
The apprentice kicked off a red-letter day in his short career when David O'Meara's Chancery (9-1) powered home in the 1m2f event.
TORONADO laid down a decent standard for next year's Classics with a hard-fought win in the One Call Insurance Champagne Stakes on a red-letter day for trainer Richard Hannon at Doncaster.
It was a double red-letter weekend for Z Team member Gus Brindle.