so last week

USAGE SUMMARY

The phrase "so last week" is correct and usable in written English.
It is typically used to describe something that is outdated or no longer relevant, often in a casual or informal context. Example: "That fashion trend is so last week; everyone is wearing something new now."

✓ Grammatically correct

News & Media

Human-verified examples from authoritative sources

Exact Expressions

59 human-written examples

China did so last week.

The New York Times

So, last week, the House voted to extend the program.

The New York Times

So last week, he dragged his gear out on sleds.

The New York Times - Food

Representative Stephen F. Lynch did so last week.

The New York Times

The 21st century is already so last week.

The Guardian - Travel

A group of American cancer experts did so last week.

The New York Times

So last week, Mr. Annan upped the ante.

The New York Times

Cameron: Details, details … That was so last week.

The Guardian

So last week Michael Yaki flew in from San Francisco.

The New Yorker

Its decision to do so last week has so far been nothing but a tonic.

The Economist

If so, last week should have been a triumph for Mr Dewar.

The Economist

Expert writing Tips

Best practice

Use "so last week" to playfully dismiss a trend, idea, or topic that is no longer current or fashionable. It adds a touch of humor and emphasizes the fast-paced nature of change.

Common error

Avoid using "so last week" when you mean something significantly older than a week. While it can be used somewhat hyperbolically, its literal meaning refers to the recent past, specifically the previous week.

Linguistic Context

The phrase "so last week" functions as an adjectival phrase modifying a noun or concept, typically to express that it is outdated, irrelevant, or no longer fashionable. As Ludwig AI explains, the phrase is correct and usable in written English, often in an informal setting.

Expression frequency: Very common

Frequent in

News & Media

88%

Science

6%

Formal & Business

2%

Less common in

Social Media

2%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, "so last week" is a common phrase used to describe something as outdated or irrelevant, predominantly found in informal contexts like News & Media. As Ludwig AI confirms, it's grammatically correct and suitable for casual conversation. When writing, remember it's best used for items that have become unfashionable very recently, and it should be avoided in formal settings. Consider alternatives like "that's old news" for similar effect. Its function is adjectival, serving to dismiss or downplay the currency of a trend or idea. The high source quality and consistent usage highlight its established presence in contemporary language.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

that's old news

Replaces the time reference with a direct statement about the information being outdated.

that's yesterday's news

Replaces "last week" with "yesterday", emphasizing the recency of being outdated.

that's outdated

Directly states that something is no longer current or relevant.

that's passé

Uses a French term to indicate something is no longer fashionable or current.

that's behind the times

Indicates something is not up-to-date or current with modern trends.

that's a thing of the past

Suggests something belongs to a previous era and is no longer relevant.

that's history

Implies something is finished and no longer important or relevant.

that's ancient history

Similar to "that's history" but emphasizes how long ago something was.

that's yesterday

Uses "yesterday" as a metaphor for something being old and outdated.

that's obsolete

Indicates something is no longer produced or used; out of date.

FAQs

How can I use "so last week" in a sentence?

You can use "so last week" to indicate that something is outdated or no longer relevant, often in a humorous way. For example: "Skinny jeans? That's "so last week"; everyone's wearing wide-leg pants now."

What can I say instead of "so last week"?

You can use alternatives like "that's old news", "that's yesterday's news", or "that's outdated" depending on the context.

Is it appropriate to use "so last week" in formal writing?

No, "so last week" is generally considered informal and should be avoided in formal writing. Opt for more professional alternatives like "outdated" or "no longer relevant".

What's the difference between "so last week" and "last year's trend"?

"So last week" implies something has become outdated very recently, while "last year's trend" refers to something that was popular a year ago. The phrases differ in their temporal scope; "so last week" suggests a much faster pace of change.