ill-defined areas

USAGE SUMMARY

The phrase "ill-defined areas" is correct and usable in written English.
It can be used to describe concepts, topics, or regions that lack clear boundaries or definitions. Example: "The research focused on the ill-defined areas of social behavior that are often overlooked in traditional studies."

✓ Grammatically correct

Science

News & Media

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

21 human-written examples

BMLs were defined as ill-defined areas adjacent to the subarticular bone of hypointense signal on T1-weighted images and hyperintense signal on T2-weighted fat-suppressed images.

Arthritis Research and Therapy

They roamed over ill-defined areas hunting wild cattle and raiding Spanish settlements and other Indians without horses.

Encyclopedia Britannica

Other users have reported "light bleed," meaning that the lights behind the screen can illuminate unevenly, causing shadows and ill-defined areas.

The New York Times

An analysis of some of the accusations offers a window onto privatizations of the 1990's that enriched a few tycoons who were willing to exploit Soviet-era laws or maneuver in ill-defined areas.

The New York Times

Parenchymal ill-defined areas of low-attenuation have also been described (Fig. 13c).

Insights into Imaging

CT image shows omental cakes (arrowheads) manifested as ill-defined areas of soft tissue anteriorly and peripherally in the abdomen.

Insights into Imaging

Human-verified similar examples from authoritative sources

Similar Expressions

39 human-written examples

BME lesions were defined as an ill-defined area of increased signal intensity on T2-weighted images in the subchondral bone, extending away from the articular surface over a variable distance [ 12].

European Radiology

Chlotar I was granted the old Frankish country north of the Somme and an ill-defined area in Aquitaine.

Encyclopedia Britannica

Rudyard Kipling's The Man Who Would Be King is set in Kafiristan, an ill-defined area now analogous to Nuristan.

Independent

Instead, states oversee the facilities variously as camps, boarding schools or residential treatment facilities, and state regulators often hesitate to step in because the programs exist in an ill-defined area of the law.

The New York Times

That large ill-defined area lies between the peninsula proper to the south (roughly demarcated by the Vindhya Range) and the Indo-Gangetic Plain and the Great Indian Desert (beyond the Aravalli Range) to the north.

Encyclopedia Britannica

Expert writing Tips

Best practice

When describing abstract concepts, clarify what makes the "ill-defined areas" difficult to define to avoid ambiguity. Provide context and specific characteristics if possible.

Common error

Avoid using "ill-defined areas" without providing specific context. Without proper context, the reader may struggle to grasp which traits are undefined or indistinct.

Linguistic Context

The phrase "ill-defined areas" primarily functions as a descriptive adjective modifying a noun. As Ludwig AI shows, it's used to characterize regions, concepts, or objects that lack clear boundaries or precise definitions. The adjective "ill-defined" describes the nature of the "areas".

Expression frequency: Common

Frequent in

Science

72%

News & Media

16%

Encyclopedias

12%

Less common in

Formal & Business

0%

Wiki

0%

Social Media

0%

Ludwig's WRAP-UP

In summary, the phrase "ill-defined areas" is a grammatically correct and commonly used expression to describe regions, concepts, or objects that lack clear boundaries or precise definitions. As demonstrated by Ludwig AI, it appears frequently in scientific, news, and encyclopedia contexts. When using this phrase, it's crucial to provide specific context to avoid overgeneralization and ensure the reader understands which aspects are poorly defined. Alternative phrases include "poorly defined regions" and "vaguely delineated spaces".

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

poorly defined regions

Replaces "ill" with "poorly", emphasizing the lack of quality in definition.

vaguely delineated spaces

Substitutes "ill-defined" with "vaguely delineated" and "areas" with "spaces", focusing on the indistinct boundaries.

imprecisely marked zones

Replaces "ill-defined" with "imprecisely marked" and "areas" with "zones", highlighting the inexactness of the marking.

ambiguous sectors

Replaces "ill-defined" with "ambiguous" and "areas" with "sectors", indicating uncertainty in their nature.

undefined expanses

Replaces "ill-defined" with "undefined" and "areas" with "expanses", underscoring the lack of definition over a broad scope.

indistinct locations

Replaces "ill-defined" with "indistinct" and "areas" with "locations", focusing on the lack of clarity and place.

fuzzy boundaries

Uses a more metaphorical term, "fuzzy", for "ill-defined", referring to the blurred nature of boundaries.

nebulous territories

Replaces "ill-defined" with "nebulous" and "areas" with "territories", suggesting something vague and cloud-like.

uncharted territories

Implies the areas are not known or mapped, instead of just being poorly defined.

poorly circumscribed locations

Replaces "ill" with "poorly" and uses "circumscribed" instead of "defined", to convey that the locations boundaries are not clearly marked.

FAQs

How can I use "ill-defined areas" in a sentence?

You can use "ill-defined areas" to describe regions or concepts that lack clear boundaries or precise definitions. For example, "The research focused on the "ill-defined areas" of social behavior that are often overlooked in traditional studies."

What is a good alternative to "ill-defined areas"?

Depending on the context, you could use alternatives like "poorly defined regions", "vaguely delineated spaces", or "ambiguous sectors".

What does "ill-defined areas" mean in medical imaging?

In medical imaging, "ill-defined areas" typically refer to regions in scans (CT, MRI, etc.) where abnormalities or lesions are not clearly demarcated from the surrounding tissue, making diagnosis more challenging.

How do I improve the clarity when describing "ill-defined areas" in my writing?

To enhance clarity, specify which attributes are poorly defined. Are you referring to spatial boundaries, conceptual limits, or diagnostic criteria? Being specific helps the reader understand the nature of the "ill-defined areas".