unsolved challenge

USAGE SUMMARY

The phrase "unsolved challenge" is correct and usable in written English.
It can be used to refer to a problem or issue that has not yet been resolved or addressed. Example: "The team is currently working on an unsolved challenge in the field of renewable energy."

✓ Grammatically correct

Science

News & Media

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

36 human-written examples

But making them in quantity is a major unsolved challenge.

The New York Times

Information security remains an unsolved challenge for organizations.

Journal of Internet Services and Applications

An early diagnosis of DM remains an unsolved challenge.

International Journal of Emergency Medicine

Production of biofuels from lignocellulosic biomass remains an unsolved challenge in industrial biotechnology.

Current Opinion in Chemical Biology

An unsolved challenge is the handling of different protonation states and side chain orientations within one series.

Journal of Cheminformatics

Reverse-engineering a team's game to discover how to undermine it is the big unsolved challenge of football's "numbers game".

BBC

Human-verified similar examples from authoritative sources

Similar Expressions

24 human-written examples

The paper also includes future trends and unsolved challenges.

CIRP Annals

There are still many unsolved challenges for making biobutanol technically, and economically viable.

Separation and Purification Technology

The poor capacity retention and low power density remain two unsolved challenges in silicon-based anode technologies.

Nanoscale Research Letters

The computational design of proteins that bind small molecule ligands is one of the unsolved challenges in protein engineering.

Journal of Structural Biology

In the past, we have attempted to deal with some unsolved challenges in this arena by introducing chiral tridentate phosphine-diamine/Ru catalysts.

Chemistry Central Journal

Expert writing Tips

Best practice

When using "unsolved challenge", clearly identify the specific area or field to which the challenge pertains to provide context.

Common error

Avoid using "unsolved challenge" without specifying what makes the challenge difficult or why it remains unsolved. Provide enough context for clarity.

Linguistic Context

The phrase "unsolved challenge" functions as a noun phrase, typically used as a subject complement or object in a sentence. It identifies a specific problem or difficulty that has not yet been resolved. As Ludwig AI states, this phrase is correct and usable.

Expression frequency: Common

Frequent in

Science

63%

News & Media

23%

Formal & Business

14%

Less common in

Wiki

0%

Encyclopedias

0%

Social Media

0%

Ludwig's WRAP-UP

The phrase "unsolved challenge" is a grammatically sound and relatively common expression used to describe a problem or difficulty that has yet to be resolved. As Ludwig AI confirms, it's a correct and usable phrase. Predominantly found in scientific and news contexts, this phrase highlights areas where further investigation and solutions are needed. While various alternatives exist, such as "outstanding problem" or "unresolved issue", it's important to provide specific context when using the phrase to enhance clarity. Addressing the "unsolved challenge" effectively requires a focused and well-defined approach.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

outstanding problem

Replaces "challenge" with a more general term for a difficulty.

unresolved issue

Focuses on the lack of resolution rather than the difficulty itself.

remaining difficulty

Highlights that the difficulty still persists.

persistent obstacle

Emphasizes the continuous nature of the hindrance.

ongoing struggle

Suggests a continuous effort to overcome the difficulty.

current dilemma

Indicates a situation involving a difficult choice or problem.

existing hurdle

Portrays the challenge as something to be overcome.

knotty question

Implies a complex and intricate problem.

intractable problem

Highlights the difficulty in managing or controlling the problem.

unconquered obstacle

Focuses on the fact that the obstacle has not been overcome.

FAQs

How can I use "unsolved challenge" in a sentence?

You can use "unsolved challenge" to describe a problem that has not yet been resolved. For example, "Finding a cure for Alzheimer's disease remains an "unsolved challenge" for medical researchers."

What are some alternatives to "unsolved challenge"?

Alternatives include "outstanding problem", "unresolved issue", or "remaining difficulty" depending on the specific context.

Is it better to say "unsolved challenge" or "unsolved problem"?

Both "unsolved challenge" and "unsolved problem" are correct. "Challenge" often implies a stimulating or desirable difficulty, while "problem" is more neutral.

What makes something an "unsolved challenge" as opposed to a regular challenge?

An "unsolved challenge" is a challenge that people have actively tried to address, but haven't been able to find a solution. It often implies that significant effort and resources have already been invested.