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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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not well-defined

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "not well-defined" is correct and usable in written English.
It can be used to describe a concept, term, or situation that lacks clarity or precision. Example: "The parameters of the project are not well-defined, making it difficult to establish a clear timeline."

✓ Grammatically correct

Science

News & Media

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

8 human-written examples

First, the accessibility of a route is not well-defined.

Objection 2: Limiting relative frequencies are not well-defined.

Science

SEP

Although anticoagulation is recommended, its optimal timing is not well-defined.

Treatments are not well-defined.

News & Media

Huffington Post

What it means to "coordinate," however, is not well-defined.

News & Media

Vice

On the surface, these structures are not well-defined.

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Human-verified similar examples from authoritative sources

Similar Expressions

51 human-written examples

Obama promised to sell this not-well-defined ICA phrase to the Europeans.

News & Media

Huffington Post

This crucial term is not well defined.

For these reasons, the KPZ equation was not well defined.

News & Media

The Guardian

"It won't help because government policies are not well defined.

News & Media

The Guardian

Unfortunately, these geologists write, the present "is not well defined".

News & Media

The New York Times
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Expert writing Tips

Best practice

When using "not well-defined", provide context or examples to illustrate the lack of clarity. This helps the reader understand the specific aspects that are undefined or ambiguous.

Common error

Avoid simply stating that something is "not well-defined" without explaining why it lacks definition. Instead, identify the specific criteria, parameters, or aspects that contribute to the ambiguity.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

83%

Authority and reliability

4.3/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "not well-defined" functions as an adjective phrase, typically modifying a noun to indicate that it lacks clarity, precision, or specific boundaries. It suggests that the concept, term, or entity being described is ambiguous or lacks a clear and universally accepted definition. Ludwig confirms its correct usage.

Expression frequency: Uncommon

Frequent in

Science

60%

News & Media

30%

Formal & Business

10%

Less common in

Encyclopedias

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "not well-defined" is a grammatically sound and frequently used adjective phrase that highlights a lack of clarity or precision. Ludwig AI's analysis confirms its correct usage. It is most commonly found in scientific, news, and formal business contexts to express ambiguity or uncertainty. To enhance clarity, always provide specific examples or explanations when using this phrase. Alternatives such as "vague", "ambiguous", or "poorly defined" can be used depending on the context. While "not well-defined" is a versatile phrase, it is important to avoid overusing it without providing specific details about the source of the ambiguity.

FAQs

What does "not well-defined" mean?

The phrase "not well-defined" means that something lacks a clear or precise definition. It indicates ambiguity or a lack of specific parameters.

How can I use "not well-defined" in a sentence?

You can use "not well-defined" to describe concepts, terms, or situations that are unclear. For example: "The scope of the project is "not well-defined", leading to confusion among team members."

What are some alternatives to "not well-defined"?

Alternatives include "vague", "ambiguous", "poorly defined", or "unclear". The best choice depends on the specific context.

Is it better to say "undefined" or "not well-defined"?

Both "undefined" and "not well-defined" indicate a lack of definition. "Undefined" suggests a complete absence of definition, while "not well-defined" implies that a definition exists but is inadequate or unclear. The choice depends on the degree of ambiguity you want to convey.

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Source & Trust

83%

Authority and reliability

4.3/5

Expert rating

Real-world application tested

Most frequent sentences: