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
a profound error
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a profound error" is correct and usable in written English.
It can be used to describe a significant or serious mistake in various contexts, such as academic writing, critiques, or discussions. Example: "The decision to ignore the data was a profound error that affected the outcome of the research."
✓ Grammatically correct
News & Media
Science
Alternative expressions(20)
a serious mistake
a grave error
a serious error
a serious blunder
a grave mistake
a major miscalculation
a significant oversight
a fundamental flaw
a major error
a detailed error
a great error
a considerable error
a substantial error
a fundamental error
a severe error
a significant error
a huge error
a massive error
a large error
a grave miscarriage
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
4 human-written examples
Meanwhile, in a letter to the Guardian, nine university vice-chancellors warn the government that it is making a "profound error" by withdrawing public funds from undergraduate teaching.
News & Media
When we sat down and he saw that the tape was running again, he picked up exactly where he had left off: "I think it is a mistake in thinking, a profound error.
News & Media
The level of cooperation between the Venezuelans and the Iranians is so substantial with respect to arms transfers, agricultural projects and explicit, direct support of Hamas and Hezbollah that it would be a profound error not to hold the Russians at least partially accountable for actions by these groups, which are destabilizing an already unstable world.
News & Media
"It's a profound error to confuse nationalism with racism".
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
Dr Hugh Morrison, a mathematician from Queens University, Belfast, said that the model used to calculate the triennial rankings is "utterly wrong" because it contains a "profound" conceptual error that confuses objective and subjective probability.
News & Media
Those on the wrong side of history need to acknowledge the profound error that they made, instead of cheerleading further interventions.
News & Media
But, Mr. Corzine said, by appointing Mr. Cipel to a position in charge of domestic security in January 2002 -- even though he had no background in fighting terrorism -- Mr. McGreevey had committed the kind of profound error that would allow his political opponents to raise devastating questions about his judgment.
News & Media
For spectral mixture analysis, endmember class and spectra variability have been recognized as profound error sources.
Science
If wrongly understood as conveyors of substantial meaning, they became the source of profound error.
Science
It is not too late to correct that profound error.
News & Media
Although the report does not single out individuals, it states that "profound errors in judgment" were made over the years.
News & Media
Expert writing Tips
Best practice
Use "a profound error" when you want to emphasize the depth and significance of a mistake, indicating it has far-reaching consequences or reveals a serious flaw in thinking or judgment.
Common error
Avoid using "a profound error" in everyday conversations or informal writing. Its formal tone is more appropriate for serious discussions, academic papers, or professional critiques.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a profound error" functions as a noun phrase, where "profound" is an adjective modifying the noun "error". It serves to describe a mistake or error that is significant in its impact or depth. Ludwig AI confirms its correct usage in various contexts.
Frequent in
News & Media
60%
Science
40%
Encyclopedias
0%
Less common in
Formal & Business
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "a profound error" denotes a significant and deeply impactful mistake, according to Ludwig. Grammatically sound and suitable for formal contexts like news reporting and scientific discussions, this phrase emphasizes the gravity of an error. While alternatives such as "a serious blunder" or "a grave mistake" exist, "a profound error" specifically underscores the depth and far-reaching implications of the error. As Ludwig AI states, the phrase is correct and usable in written English, but its formal tone should be considered.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
a serious blunder
Emphasizes the clumsiness or carelessness of the error.
a grave mistake
Highlights the severe consequences of the error.
a critical fault
Focuses on the decisiveness and importance of the error.
a major miscalculation
Suggests an error in planning or estimation.
a significant oversight
Indicates a failure to notice or consider something important.
a fundamental flaw
Points to a basic or essential weakness.
a deep misjudgment
Emphasizes the level of bad judgment.
a monumental lapse
Indicates a significant failure in memory or concentration.
a terrible misstep
Highlights an action that is considered the wrong one.
an egregious blunder
Emphasizes how shockingly bad the blunder was.
FAQs
How can I use "a profound error" in a sentence?
You can use "a profound error" to describe a mistake that has significant and far-reaching consequences. For example: "Ignoring the expert's advice proved to be "a profound error" that cost the company millions."
What are some alternatives to "a profound error"?
Depending on the context, you can use alternatives like "a serious mistake", "a grave error", or "a critical fault" to convey a similar meaning.
Is it better to say "profound error" or "serious error"?
While both are correct, ""a profound error"" suggests a deeper, more impactful mistake than "a serious error". The choice depends on the level of emphasis you want to convey.
What distinguishes "a profound error" from a simple mistake?
"A profound error" implies that the mistake is not just a simple oversight, but rather a fundamental flaw in thinking or judgment that leads to significant negative consequences.
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
4.5/5
Expert rating
Real-world application tested