Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
an outdated concept
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "an outdated concept" is correct and usable in written English.
You can use it to describe an idea or notion that is no longer relevant or accepted in contemporary discussions or practices. Example: "The belief that the Earth is flat is an outdated concept that has been debunked by centuries of scientific evidence."
✓ Grammatically correct
News & Media
Science
Formal & Business
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
51 human-written examples
An autonomous manager is an outdated concept.
News & Media
"I think it's an outdated concept.
News & Media
This is an outdated concept that needs to change".
News & Media
"Labor union membership is an outdated concept for most working Americans," he said.
News & Media
MySpace and Facebook have, in a way, made social climbing an outdated concept.
News & Media
In fact, policy is soon going to become an outdated concept.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
9 human-written examples
As a threat to humanity, the Terminator now seems a frightfully outdated concept: Skynet might as well have sent back a spear taped to a typewriter.
News & Media
A traditional, outdated concept of when and where to work isn't going to cut it for my generation.
News & Media
Furthermore, they suggest that equipoise is a 'paternalistic' and outdated concept that should be replaced by new approaches to ethical choice in designing clinical trials and obtaining consent from potential participants.
But as USA Basketball picks up the pieces from the outdated concept of a dream team, which spread the gospel around the world, will it be able to copy the consistency and cohesion of the reigning gold medalists from Argentina?
News & Media
It sounds like the origin of a sugar-infused breakfast cereal mascot, but it fits perfectly into the realm of superhero comedy; Marvel has slowly acclimatized us all to the absurdity of comic book-accuracy, and Shazam! uses its endearingly outdated concept to tell a hilarious and wholesome story.
News & Media
Expert writing Tips
Best practice
Use "an outdated concept" to critique ideas or practices that no longer align with current understanding or standards. For instance, "The notion that women are less capable in STEM fields is an outdated concept."
Common error
While "an outdated concept" is widely understood, avoid overusing it in highly formal writing. Opt for alternatives like "obsolete theory" or "superseded principle" for a more professional tone.
Source & Trust
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
An outdated concept functions as a noun phrase, typically used as a subject complement or object. According to Ludwig AI, this phrase is grammatically correct and effectively communicates the idea that something is no longer current or valid. For example, 'The mass line campaign was an outdated concept'.
Frequent in
News & Media
52%
Science
22%
Formal & Business
13%
Less common in
Wiki
3%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "an outdated concept" is a commonly used and grammatically sound phrase for describing something no longer relevant or applicable. Ludwig AI confirms its correctness. While versatile, it appears most frequently in News & Media sources. For more formal writing, consider alternatives such as "obsolete idea" or "superseded principle". Use "an outdated concept" when you want to clearly communicate that a particular idea or practice has lost its relevance in the current context.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
an obsolete idea
Replaces "concept" with "idea", suggesting a thought or notion that is no longer applicable.
a superseded concept
Focuses on the fact that the concept has been replaced by something newer or better.
an antiquated notion
Substitutes "concept" with "notion" and "outdated" with "antiquated", both indicating something old-fashioned.
a bygone idea
Emphasizes the idea's belonging to a past time.
a surpassed theory
Suitable when referring to a scientific or academic theory that has been proven wrong or improved upon.
a relic of the past
Uses metaphorical language to depict the concept as something that belongs to a bygone era.
a discarded belief
Suggests the concept was actively rejected or abandoned.
an archaic practice
Shifts the focus to a practice or custom that is no longer in use.
a thing of the past
Similar to "relic of the past" but less formal.
a stale idea
Indicates that the idea is old and uninteresting.
FAQs
How can I use "an outdated concept" in a sentence?
You can use "an outdated concept" to describe ideas, beliefs, or practices that are no longer relevant or accepted. For example, "The idea that the Earth is flat is an outdated concept."
What's a more formal alternative to "an outdated concept"?
For formal contexts, consider using phrases like "obsolete idea", "superseded concept", or "archaic practice".
Is it always negative to describe something as "an outdated concept"?
Generally, describing something as "an outdated concept" implies that it's no longer valid or useful. However, it can also be used neutrally to simply state that something is no longer current, without necessarily implying negativity.
Which is correct, "an outdated concept" or "a outdated concept"?
"An outdated concept" is correct. The article "an" is used before words that begin with a vowel sound.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested