red-letter day

USAGE SUMMARY

The phrase "red-letter day" is correct and is commonly used in written English.
"Red-letter day" refers to a special or memorable day, typically marked on a calendar in red ink. It can also mean a day of great importance or significance. Example: I'll never forget the red-letter day when I graduated from college and started my dream job.

✓ Grammatically correct

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

38 human-written examples

On most days, Davis' game, 13 tackles and an interception, would be a red-letter day.

Huffington Post

This is a big red-letter day for me.

The Times

Someone asked where terms like "red-letter day" came from.

The New York Times

"It's a red-letter day! i is all you need".

The Guardian

In this 10-episode installment, something happens on one red-letter day, and everyone stops dying.

The Washington Post

Tanglewood Time For devotees of summertime music, Friday is a red-letter day.

The New York Times

Human-verified similar examples from authoritative sources

Similar Expressions

22 human-written examples

Not every day is a red letter day.

The Guardian - Lifestyle

It's a red letter day – or a black on maroon one anyway.

The Guardian - Arts

Those hard working students need us all to focus and make sure today becomes a red letter day and tipping point, not a missed opportunity.

The Guardian

A giddy red letter day for the gnarled old comrades who have waited for generations for one of their own to occupy Labour's high seat.

The Guardian - Opinion

And some have dates for titles, one being "February 19 , 2004" in which a bright red rectangle (a red letter day?) stands out among more sedate hues.

The New York Times

Expert writing Tips

Best practice

Consider the context when using "red-letter day". It's appropriate for celebratory moments, significant achievements, or historical events that hold special meaning.

Common error

Avoid using "red-letter day" for trivial or insignificant events. The phrase carries a connotation of substantial importance and should be reserved for occasions that truly warrant such recognition.

Linguistic Context

The phrase "red-letter day" functions as a noun phrase, typically used as a predicate nominative or an appositive to describe a day of special significance. Ludwig's examples show its application in various celebratory contexts.

Expression frequency: Common

Frequent in

News & Media

70%

Science

15%

Formal & Business

5%

Less common in

Academia

3%

Wiki

2%

Encyclopedias

5%

Ludwig's WRAP-UP

The phrase "red-letter day" is a common and grammatically correct way to describe a memorable or significant occasion. As supported by Ludwig AI, it is frequently found in news and media, often highlighting important milestones or events. While slightly formal, its usage is widely understood. For alternatives, consider phrases like "auspicious day" or "memorable occasion". Remember to reserve "red-letter day" for truly noteworthy events to maintain its intended impact.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

banner day

Similar in meaning, but slightly more informal and celebratory.

momentous day

Stresses the great importance and far-reaching consequences of the day.

auspicious day

Focuses more on the favorable or promising nature of the day.

landmark day

Highlights the day as a significant point in time, like a historical landmark.

notable day

Highlights the day as worthy of attention or remembrance.

memorable occasion

Highlights the unforgettable nature of the event.

day to remember

Simple and direct way to express the memorability of the day.

significant event

Emphasizes the importance or consequence of the day.

important milestone

Indicates a key achievement or turning point.

special occasion

General term for any event that is out of the ordinary.

FAQs

How can I use "red-letter day" in a sentence?

You can use "red-letter day" to describe a particularly important or memorable occasion. For example, "Graduation day was a "red-letter day" for the entire family".

What's the origin of the phrase "red-letter day"?

The phrase comes from the practice of marking important dates and holidays in red on calendars, particularly in liturgical calendars.

What can I say instead of "red-letter day"?

Alternatives include "auspicious day", "memorable occasion", or "significant event" depending on the context.

Is "red-letter day" still commonly used today?

Yes, while it might sound slightly old-fashioned, "red-letter day" is still a recognized and used phrase, especially in formal or written contexts.