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
significantly flawed
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "significantly flawed" is correct and usable in written English.
It is an adjective phrase which is used to describe something that has major flaws. For example, "The study was deemed significantly flawed due to a miscalculation in the data analysis."
✓ Grammatically correct
News & Media
Science
Formal & Business
Alternative expressions(20)
seriously defective
deeply flawed
critically deficient
badly damaged
severely compromised
woefully inadequate
is notably problematic
patently undesirable
imperfect in many ways
significantly from perfect
far from perfect
substantially deficient
not quite perfect
substantially incorrect
grossly mistaken
seriously erroneous
far from the truth
nowhere near perfection
not even close to perfect
nowhere near completion
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
34 human-written examples
It has not taken Craig long to conclude the current model is significantly flawed.
News & Media
Mass argues that these models are significantly flawed in comparison with commercial and European alternatives.
News & Media
This is a weak Republican field with two significantly flawed front-runners contesting an immensely important election.
News & Media
The evidence that attendance boosts the immune system and lowers blood pressure comes from studies that are significantly flawed.
News & Media
"PwC's monitoring efforts are significantly flawed," said Dr. O'Rourke, a professor of environmental and labor policy at the Massachusetts Institute of Technology.
News & Media
This 4,000-square-foot 4,000-square-foot 4,000-square-footn many ways significantly flawexhibitioneatrisality is one of its strengths.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
26 human-written examples
Given this, EPA and DOT's claim that prices will "remain low," and not "rise significantly" appears flawed.
Academia
The chairwoman of the commission, Roslynn R. Mauskopf, said, "There clearly is evidence that shows that the Board of Education at Livingston Street knew that their plan was flawed significantly".
News & Media
Quantitative studies that are based on the Indo-European Lexical Cognacy Database (IELex, http://ielex.mpi.nl/), whose goal was to significantly enhance the notoriously flawed database composed by 52, still yield subgroupings that contradict traditional genetic classification (compare, for example, the strange grouping of Polish in 13 and 54).
Science
This strategy has been shown to significantly delay virological failure [20], [21], yet it is flawed by its high psychological and physical burden [22].
Science
Mathematical estimates of GFR and creatinine clearance are flawed in the critically ill, and will tend to significantly under-estimate renal function in those with ARC.
Science
Expert writing Tips
Best practice
When using "significantly flawed", ensure that the context clearly indicates the specific areas or aspects where the flaws are present. This adds clarity and strengthens your critique.
Common error
Avoid using "significantly flawed" to describe minor imperfections. This phrase should be reserved for situations where the flaws have a substantial impact on the overall quality, functionality, or validity of something.
Source & Trust
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "significantly flawed" primarily functions as a descriptive adjective phrase. It modifies a noun to indicate that the subject has major and impactful imperfections, as illustrated in the Ludwig examples.
Frequent in
News & Media
50%
Science
35%
Academia
10%
Less common in
Wiki
3%
Formal & Business
2%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, "significantly flawed" is a descriptive adjective phrase used to denote substantial imperfections in a subject. According to Ludwig, it is grammatically correct and functions to express criticism or highlight weaknesses. While appropriate across various registers, it's most commonly found in news, scientific, and academic contexts. When using this phrase, ensure the context clearly outlines the specific flaws. Alternatives such as "seriously defective" or "deeply flawed" can provide nuanced variations, as we explored. Remember that using "significantly flawed" should be reserved for impactful flaws, avoiding its application to minor imperfections.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
seriously defective
Emphasizes a severe level of imperfection or malfunction.
deeply flawed
Highlights the profound and fundamental nature of the flaws.
critically deficient
Indicates a crucial lack or inadequacy in something.
majorly imperfect
Stresses the considerable extent of the imperfection.
substantially impaired
Suggests a significant reduction in quality or functionality.
badly damaged
Focuses on the damage aspect, implying it's extensive.
severely compromised
Highlights the negative impact on integrity or effectiveness.
fundamentally unsound
Points to a core weakness in the foundation or structure.
markedly substandard
Emphasizes that it falls well below the expected quality.
woefully inadequate
Indicates a deplorably insufficient or unacceptable condition.
FAQs
How can I use "significantly flawed" in a sentence?
You can use "significantly flawed" to describe anything that has major imperfections. For example: "The research methodology was "significantly flawed", leading to unreliable results."
What are some alternatives to "significantly flawed"?
Alternatives include "seriously defective", "deeply flawed", or "critically deficient", depending on the specific context and the nature of the flaws.
Is it appropriate to use "significantly flawed" in formal writing?
Yes, "significantly flawed" is appropriate for formal writing. It is a clear and professional way to describe substantial imperfections.
What's the difference between "flawed" and "significantly flawed"?
"Flawed" simply means having imperfections. "Significantly flawed" indicates that the imperfections are substantial and have a major impact.
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