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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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is deficient

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "is deficient" is correct and usable in written English.
It can be used to describe something that is lacking or insufficient in some way. Example: "The report is deficient in providing adequate evidence to support its claims."

✓ Grammatically correct

News & Media

Academia

Science

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

The amount of deficiency when a cash flow or capital item is deficient.

India is deficient in both.

News & Media

The New York Times

Not, "McCain's judgment is deficient".

Even Saddam is deficient here.

News & Media

The Guardian

Without Spock, Kirk is deficient.

O.K.? Pakistan is deficient of both.

News & Media

The New York Times

But it is deficient in two respects.

News & Media

The Guardian

Our city is deficient in charm.

News & Media

The New Yorker

This is not to say that TaxCut is deficient.

News & Media

The New York Times

In this respect, de Gaulle's Fifth Republic is deficient.

News & Media

The Guardian

(Rogers Declaration, 4) However, Rogers' declaration is deficient.

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Expert writing Tips

Best practice

When using "is deficient", clearly specify what the subject is lacking. This provides context and avoids ambiguity for the reader.

Common error

Avoid using "is deficient" without providing specific details about the deficiency. For example, instead of saying "the product is deficient", specify what aspects of the product are lacking or inadequate.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

86%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "is deficient" functions as an adjective phrase. It is used to describe a noun as lacking something essential or adequate. Ludwig AI confirms its usability in describing inadequacy.

Expression frequency: Very common

Frequent in

News & Media

38%

Academia

28%

Science

22%

Less common in

Encyclopedias

10%

Formal & Business

2%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "is deficient" is a grammatically correct and widely used expression to indicate that something lacks an essential quality or quantity. As Ludwig AI confirms, it is applicable across a range of contexts, from formal academic papers to news reports. The phrase is most frequently encountered in News & Media, Academia, and Science contexts. Alternatives such as "is lacking" or "is inadequate" can be used depending on the desired nuance. When using "is deficient", it is important to specify what the subject is lacking to provide clarity and avoid ambiguity.

FAQs

How do you use "is deficient" in a sentence?

Use "is deficient" to describe something that lacks an essential quality or quantity. For example, "The soil is deficient in nutrients" or "The plan is deficient in detail".

What's a synonym for "is deficient"?

Alternatives to "is deficient" include "is lacking", "is inadequate", or "is insufficient", depending on the context.

Is it better to say "is deficient in" or "is deficient of"?

"Is deficient in" is the more commonly accepted and grammatically correct construction. "Is deficient of" is less frequent and may sound awkward to some readers.

What is the difference between "is deficient" and "is defective"?

"Is deficient" implies something is lacking or incomplete, whereas "is defective" suggests something has a flaw or malfunction. A product that "is defective" might not function correctly, while something that "is deficient" simply lacks something necessary.

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Source & Trust

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Authority and reliability

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Real-world application tested

Most frequent sentences: