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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 clearly defined

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "not clearly defined" is correct and commonly used in written English.
It refers to something that is not well-defined or does not have a clear meaning. Example: The rules of the game were not clearly defined, causing confusion among the players.

✓ Grammatically correct

Science

News & Media

Formal & Business

Encyclopedias

Wiki

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

So it's not clearly defined.

The limitations, however, are not clearly defined.

But net benefit is not clearly defined in the law.

News & Media

The New York Times

There are some benefits of getting involved in a movement that is not clearly defined.

The volunteers have no enforcement powers; their duties are not clearly defined.

News & Media

The New York Times

However, the key organ/tissue driving the IF-induced metabolic benefits is not clearly defined.

Science & Research

Nature

THE role of the pituitary gland in liver regeneration following partial hepatectomy is not clearly defined.

Science & Research

Nature

In Colombia, its frequency and associated factors were not clearly defined.

However, the functional domain of Ov-ASP-1 as an adjuvant is not clearly defined.

Science

Vaccine

The occurrence and mechanisms of nocturnal hypoxemia in precapillary pulmonary hypertension (PH) are not clearly defined.

Science

Chest

The population that benefits from or is harmed by the procedure is not clearly defined.

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Expert writing Tips

Best practice

When using "not clearly defined", specify what aspects lack clarity and why. This provides context and avoids ambiguity.

Common error

Avoid using "not clearly defined" without providing further explanation or context. Your audience may not be aware of the specific ambiguity you're addressing.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

80%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "not clearly defined" functions as an adjectival phrase, typically modifying a noun or noun phrase to indicate that its meaning or scope lacks precision. Ludwig AI confirms its correct grammatical usage.

Expression frequency: Very common

Frequent in

Science

42%

News & Media

27%

Encyclopedias

10%

Less common in

Formal & Business

8%

Wiki

8%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "not clearly defined" is a common and grammatically sound way to express a lack of clarity or precision. As Ludwig AI confirms, it's frequently used across various domains, including science, news, and general discourse. The key to using this phrase effectively is to provide context. Rather than simply stating that something is "not clearly defined", explain why it lacks clarity and what aspects are ambiguous. Consider using alternatives like "poorly defined" or "ambiguous" to further refine your meaning. By providing specific details and context, you ensure that your audience understands the nature and implications of the lack of definition.

FAQs

What does "not clearly defined" mean?

The phrase "not clearly defined" means that something lacks a precise or distinct explanation, making it open to interpretation or causing confusion.

How can I use "not clearly defined" in a sentence?

You can use "not clearly defined" to describe concepts, rules, roles, or boundaries that lack specific details. For example: "The scope of the project was "poorly defined", leading to scope creep."

What are some alternatives to "not clearly defined"?

Alternatives include "ambiguous", "vaguely defined", "ill-defined", and "lacks clarity". The best choice depends on the specific nuance you want to convey.

Is it better to say "poorly defined" or "not clearly defined"?

Both "poorly defined" and "not clearly defined" are acceptable. "Poorly defined" suggests a substandard definition, while "not clearly defined" simply indicates a lack of clarity. Choose the phrase that best fits the specific context.

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Source & Trust

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Authority and reliability

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Expert rating

Real-world application tested

Most frequent sentences: