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
grossly deficient
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "grossly deficient" is correct and usable in written English.
It can be used to describe something that is significantly lacking or inadequate in quality, quantity, or performance. Example: "The report was found to be grossly deficient in its analysis of the data, leading to misleading conclusions."
✓ Grammatically correct
News & Media
Science
Academia
Alternative expressions(20)
severely lacking
highly inadequate
significantly lacking
woefully insufficient
deficient
markedly deficient
terribly flawed
badly lacking
severely deficient
critically inadequate
cruelly lacking
patently deficient
sorely lacking
strongly lacking
markedly absent
extremely lacking
distinctly inadequate
seriously deficient
severely lacks
seriously lacking
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
22 human-written examples
In countries where the diet, especially that of growing children, is grossly deficient in protein, severe malnutrition ranks as an important cause of immune deficiency.
Encyclopedias
Despite repeated warnings from Washington of imminent terrorist attacks, security precautions at foreign compounds were grossly deficient.
News & Media
After an investigation that the office called "flawed and grossly deficient," an investigator with the Department of Environmental Protection decided not to file charges.
News & Media
The National Academy of Sciences, the nation's most prestigious scientific organization, has surveyed the field of forensic science and found it grossly deficient.
News & Media
Government, law schools and the profession need to work together to redesign and fortify the grossly deficient legal services system.
News & Media
Frontline staff were responsible for "inappropriate and unsafe care" and the response to potentially fatal incidents by the trust hierarchy was "grossly deficient, with repeated failure to investigate properly and learn lessons".
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
38 human-written examples
But Judge Rakoff rejected the original plan, saying that Mr. Breeden found aspects of it "grossly excessive or otherwise deficient in both form and substance".
News & Media
Surprisingly, although red blood cells appear grossly normal in SEC23B-deficient mice, these animals die at birth due to dramatic destruction of the pancreas (Tao et al., 2012).
Science
Our results show that the formation of focal adhesions is not grossly affected in Ilk-deficient NCCs, as demonstrated by normal vinculin distribution (Fig. 6A, red).
Repair of chromosomal DNA DSBs also appeared grossly normal in SIRT6-deficient mouse cells; it is possible that the assays for DNA DSBs used in our new study (comet assays for DNA damage in single cells and site-specific DSB repair assays) provide better sensitivity than the previously used assay (pulsed field gel electrophoresis) [ 17].
Science
Whereas HIPK1/2 double knockout mice die at embryonic day 12.5, either HIPK1 or HIPK2-deficient mice develop grossly normal but exhibit differences in apoptosis induction and eye development [ 17- 20].
Expert writing Tips
Best practice
When using "grossly deficient", ensure that the context clearly indicates what the subject is deficient in. Specify the area or aspect in which the deficiency exists to avoid ambiguity.
Common error
Avoid using "grossly deficient" when a milder term like "somewhat inadequate" would be more accurate. "Grossly" implies a significant and obvious deficiency.
Source & Trust
85%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "grossly deficient" functions as an adjective phrase that modifies a noun, indicating a significant degree of inadequacy or lack. Ludwig examples show it describing processes, systems, and even physical structures as being severely lacking.
Frequent in
News & Media
40%
Science
32%
Academia
28%
Less common in
Formal & Business
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "grossly deficient" is an adjective phrase used to describe something severely lacking or inadequate. As shown by Ludwig, it appears frequently in news, science, and academic contexts, indicating a broad range of applications where the severity of a deficiency needs to be emphasized. The Ludwig AI confirms that the phrase is grammatically correct and usable in written English, serving to highlight a significant problem. Alternatives include phrases such as "severely inadequate" or "significantly lacking", depending on the nuance you want to convey.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
severely inadequate
Emphasizes the insufficiency or inadequacy being at a severe level.
significantly lacking
Highlights the notable absence or shortage of something.
woefully insufficient
Conveys a sense of deep regret or disappointment about the inadequacy.
patently inadequate
Stresses that the inadequacy is obvious and easily recognized.
markedly deficient
Indicates a noticeable and distinct lack of something.
glaringly inadequate
Highlights how obvious and hard to ignore is the inadequacy.
terribly flawed
Focuses on the imperfections and defects that make something deficient.
extremely substandard
Emphasizes that the level or quality is far below what is expected or required.
badly wanting
Highlights the significant need of something to fulfill its purpose.
seriously impaired
Focuses on the reduced ability or effectiveness due to the deficiency.
FAQs
How can I use "grossly deficient" in a sentence?
Use "grossly deficient" to describe something that is significantly lacking or inadequate. For example, "The investigation was "grossly deficient" in its methodology, leading to unreliable results."
What are some alternatives to "grossly deficient"?
You can use alternatives such as "severely inadequate", "significantly lacking", or "woefully insufficient" depending on the context.
When is it appropriate to use "grossly deficient" instead of just "deficient"?
"Grossly deficient" is appropriate when the deficiency is substantial and obvious. It adds emphasis compared to simply saying something is "deficient".
Is "grossly deficient" a formal or informal expression?
"Grossly deficient" can be used in both formal and informal contexts, but it is generally more common in formal writing and speech due to its precise and somewhat emphatic nature.
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
85%
Authority and reliability
4.1/5
Expert rating
Real-world application tested