is substantially deficient

USAGE SUMMARY

The phrase "is substantially 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 effectiveness. Example: "The report submitted by the team is substantially deficient in addressing the key issues outlined in the project brief."

✓ Grammatically correct

Human-verified similar examples from authoritative sources

Similar Expressions

60 human-written examples

The original beams were substantially deficient in shear strength, particularly for projected increase of traffic loads.

Composites Part B: Engineering

Eliminating the H3N2 virus is substantially delayed in animal deficient of CD8 cells [ 21].

Disease Markers

Thus, it is evident that kataegis is substantially reduced in the UNG-deficient background, but not completely lost: a few residual clusters (which exhibit evident strand polarity or bipolarity) are still detected.

eLife

Likely as a compensatory response, Alox15b level is substantially increased in the granulosum of I κB α-deficient mice, which display a psoriatic phenotype.

Cell Death and Disease

Arterial blood pressure in leptin-deficient ob/ob mice is lower than in wild-type littermates and is substantially increased with exogenous leptin administration [ 10].

BioMed Research International

Now, it is substantially unchanged.

The New York Times

Maybe there is substantially more.

Forbes

NF-kappaB-dependent promoter responses were also substantially deficient in IKKbeta KO MEFs but were hyperactive in IKKalpha KO MEFs.

Duke University

However, the carmaker's attempts to draw a line under the scandal in the US have been rejected by Californian regulators, who said that the proposed fix for its larger diesel vehicles with defeat devices were "incomplete, substantially deficient, and fall far short of meeting the legal requirements".

The Guardian - Business

In contrast, the adjuvant activity of PTX was not mediated via cytokines, because neither Th1 nor Th2 responses were substantially impaired in mice deficient for IL-12, IFN-γ, IL-4, IL-5, or IL-6.

Cellular Immunology

Whereas apoptosis in Bax-deficient MEFs was similar to the levels in WT-MEFs, it was substantially reduced in Bak-deficient MEFs.

Cell Death and Disease

Expert writing Tips

Best practice

When using the phrase "is substantially deficient", ensure that you clearly specify what the subject is deficient in. This provides context and prevents ambiguity.

Common error

Avoid using "is substantially deficient" when a milder term like "could be improved" is more appropriate. Overstating the deficiency can come across as overly critical or negative.

Linguistic Context

The phrase "is substantially deficient" functions as a descriptive expression, indicating that something lacks a significant amount of a necessary quality or component. Ludwig AI confirms that this phrase is grammatically correct and usable.

Expression frequency: Missing

Frequent in

Science

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News & Media

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Formal & Business

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Less common in

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Encyclopedias

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Ludwig's WRAP-UP

In summary, the phrase "is substantially deficient" is a grammatically sound expression used to denote a significant lack or inadequacy. According to Ludwig AI, it is correct and usable in English. While the exact phrase does not appear frequently in the provided examples, related phrases suggest common contexts in formal writing, professional assessments, and critical evaluations. When using this phrase, it is important to clearly specify what is lacking and avoid overstating the deficiency for a more balanced and accurate assessment.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

is notably deficient

Changes 'substantially deficient' to 'notably deficient', highlighting the obviousness of the shortcoming.

is significantly lacking

Changes 'substantially deficient' to 'significantly lacking', altering the wording while maintaining the core meaning of a considerable absence.

is considerably lacking

Changes 'substantially deficient' to 'considerably lacking', offering a softer tone while maintaining the core meaning.

is seriously inadequate

Replaces 'substantially deficient' with 'seriously inadequate', intensifying the degree of insufficiency.

is quite inadequate

Uses 'quite inadequate' instead of 'substantially deficient', providing a more casual yet clear expression of insufficiency.

is markedly insufficient

Substitutes 'substantially deficient' with 'markedly insufficient', providing a more formal and emphatic alternative.

is greatly flawed

Uses 'greatly flawed' instead of 'substantially deficient', shifting the focus to inherent imperfections rather than simple inadequacy.

is severely impaired

Replaces 'substantially deficient' with 'severely impaired', implying a weakened or damaged state.

is critically wanting

Substitutes 'substantially deficient' with 'critically wanting', emphasizing the urgent need for improvement.

falls far short

Replaces 'is substantially deficient' with 'falls far short', altering the structure to a verb phrase indicating failure to meet a standard.

FAQs

How can I use "is substantially deficient" in a sentence?

Use "is substantially deficient" to describe something that is significantly lacking or inadequate. For example, "The report is substantially deficient in data analysis."

What are some alternatives to "is substantially deficient"?

You can use alternatives such as "is significantly lacking", "is seriously inadequate", or "falls far short" depending on the context.

Is it better to use "is substantially deficient" or "is deficient"?

"Is substantially deficient" implies a greater degree of inadequacy than "is deficient". Choose the phrase that accurately reflects the severity of the deficiency.

Can "is substantially deficient" be used in both formal and informal contexts?

While "is substantially deficient" is generally suitable for formal contexts, it can be used in informal settings as well. However, in more casual conversations, simpler phrases like "is really lacking" might be preferable.