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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
fundamentally incorrect
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "fundamentally incorrect" is correct and usable in written English.
It can be used to describe something that is fundamentally flawed or wrong at its core, often in a discussion or critique. Example: "The theory presented in the article is fundamentally incorrect, as it overlooks key evidence that contradicts its main argument."
✓ Grammatically correct
News & Media
Science
Academia
Alternative expressions(20)
completely mistaken
Patently false
intrinsically flawed
substantially incorrect
completely incorrect
inherently flawed
inherently wrong
primarily false
basically incorrect
intrinsically untrue
utterly incorrect
inherently false
categorically wrong
thoroughly incorrect
patently untrue
fundamentally wrong
absolutely incorrect
basically untrue
substantially flawed
essentially inaccurate
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
29 human-written examples
"That's fundamentally incorrect," Sprague said.
News & Media
What if Crosley is fundamentally "incorrect," in a way that transcends her inattention to social protocol?
News & Media
"A brief look at the regulation and existing case law shows that Ryanair's argument is fundamentally incorrect".
News & Media
Demons!," by the comics artist Lynda Barry, who "has written and drawn a lot about feeling fundamentally incorrect".
News & Media
The Court's holding today, however, appears to rest on a conception of "liberty" which I consider fundamentally incorrect.
Academia
However, the animals were in fact given methamphetamine (speed), not MDMA, meaning the conclusions of the research were fundamentally incorrect, and the authors duly retracted the paper.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
31 human-written examples
It felt fundamentally wrong.
News & Media
This is fundamentally wrong.
News & Media
Contacted by the Guardian with a series of questions, Ryan, through a spokesman, said: "Our lawyers are aware of the blog from which these questions arise and it is our view that it is litigious [sic] and fundamentally and factually incorrect.
News & Media
The Ukip leader, Gerard Batten, has endorsed a "factually incorrect and fundamentally offensive" book that claims Islam is fighting for "the destruction of western civilisation".
News & Media
Qari Asim, one of the UK's most prominent imams, said the book contained claims that were "factually incorrect and fundamentally offensive to over 1.6 billion [people] in the world".
News & Media
Expert writing Tips
Best practice
When using "fundamentally incorrect", ensure you can clearly articulate why the subject is wrong at its core, providing specific evidence or reasoning to support your claim.
Common error
Avoid using "fundamentally incorrect" for minor inaccuracies. Reserve it for situations where the core premise or underlying principle is flawed, not just superficial details.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "fundamentally incorrect" functions as an adjective phrase that modifies a noun or concept, indicating that it contains a flaw in its underlying principles. As Ludwig indicates, it signifies a deep-seated error.
Frequent in
News & Media
37%
Science
32%
Academia
8%
Less common in
Wiki
5%
Formal & Business
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, the phrase "fundamentally incorrect" is a versatile expression used to convey that something is wrong at its core. Ludwig confirms that the phrase is grammatically correct and commonly used across a range of domains, including News & Media, Science, and Academia. When using this phrase, ensure that the subject truly has flaws at its root, and be prepared to explain what those flaws are and why it's "fundamentally incorrect". Be mindful of overstating the severity, saving this phrase for crucial flaws rather than minor errors.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
Fundamentally flawed
Synonymous, emphasizing a core defect, but not necessarily 'incorrect'.
Essentially wrong
Focuses on the core, underlying error rather than a superficial mistake.
Entirely wrong
Highlights that something is completely devoid of correctness.
Basically flawed
Highlights a basic defect or fault in the foundation or structure.
Completely mistaken
Emphasizes the totality of the error, leaving no room for partial correctness.
Patently false
Indicates that the error is obvious and easily recognizable.
Wholly inaccurate
Stresses that there is no accuracy whatsoever.
Gravely erroneous
Indicates a serious and significant error.
Deeply flawed
Suggests a significant and intrinsic problem.
Radically unsound
Focuses on the flawed foundation or principles of something.
FAQs
How can I use "fundamentally incorrect" in a sentence?
Use "fundamentally incorrect" to describe something that is flawed at its most basic level. For instance, "The assumption that all swans are white is "fundamentally incorrect", as black swans exist."
What's a good alternative to "fundamentally incorrect"?
Alternatives include "essentially wrong", "basically flawed", or "completely mistaken", depending on the specific nuance you want to convey.
When is it appropriate to use "fundamentally incorrect"?
Use it when criticizing a premise, theory, or approach that is not just inaccurate but based on a flawed foundation. For instance, stating that a business model is "fundamentally incorrect" suggests it cannot succeed in its current form.
What's the difference between "incorrect" and "fundamentally incorrect"?
"Incorrect" simply means wrong, while "fundamentally incorrect" means wrong at its most basic and foundational level. The latter suggests a deeper, more pervasive flaw.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested