key challenge is

USAGE SUMMARY

The phrase "key challenge is" is correct and usable in written English.
You can use it when discussing a significant difficulty or obstacle in a particular context or situation. Example: "The key challenge is ensuring that all team members are on the same page regarding project deadlines."

✓ Grammatically correct

News & Media

Science

Academia

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

The key challenge is improvement of efficiency.

Reference Module in Materials Science and Materials Engineering

The key challenge is to parametrize this multi-task sharing.

Stanford University

Another key challenge is how to tell the story.

The New York Times

The key challenge is to preserve positivity of density and symmetric pressure tensor.

Journal of Computational Physics

One key challenge is to strengthen the link between transparency and accountability.

The Guardian

So a key challenge is to implement the initiative with limited resources.

The New York Times

9.49am GMT The key challenge is how do European countries tackle globalisation, says Cameron.

The Guardian - Business

A key challenge is how complex and diverse disabilities are, argues the report.

The Guardian

Perhaps the key challenge is countering these feelings of cultural (as opposed to just economic) threat.

The Guardian - Opinion

"The key challenge is how to make a nanoparticle get through this barrier of cells.

Massachusetts Institute of Technology

A key challenge is gaining "full genetic control" of the species.

University of California, Berkeley

Expert writing Tips

Best practice

Use "key challenge is" to clearly identify the most significant obstacle or difficulty in a particular situation. This helps to focus attention and resources effectively.

Common error

Avoid using "key challenge is" repeatedly within the same piece of writing. Vary your language by using synonyms such as "main problem is", "primary obstacle is" or other related phrases to maintain reader engagement.

Linguistic Context

The phrase "key challenge is" functions as an introductory phrase to highlight a significant difficulty or obstacle. Ludwig examples show it's used across various domains to pinpoint specific problems needing resolution, like in the sentence "The key challenge is improvement of efficiency."

Expression frequency: Very common

Frequent in

News & Media

38%

Science

33%

Academia

29%

Less common in

Formal & Business

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, "key challenge is" serves to emphasize a significant obstacle or difficulty across diverse fields. Ludwig AI confirms the phrase's grammatical correctness and widespread usage, as evidenced by numerous examples from news, science, and academic sources. While "key challenge is" is suitable for both formal and informal contexts, be mindful of overuse and consider using related phrases like "main problem is" or "primary obstacle is" for variety. Remember that effective communication involves clearly identifying and addressing core issues, and "key challenge is" is a useful tool in achieving this goal.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

main problem is

Replaces "challenge" with "problem", focusing on the difficulty.

primary obstacle is

Substitutes "challenge" with "obstacle", highlighting something that blocks progress.

central difficulty is

Emphasizes that the challenge is a core issue.

major hurdle is

Uses "hurdle" to suggest an obstacle that needs to be overcome.

principal concern is

Shifts the focus to a matter of worry or interest.

chief impediment is

Highlights the barrier preventing progress.

critical issue is

Focuses on the importance and urgency of the challenge.

biggest task is

Replaces "challenge" with a task that needs to be done.

significant difficulty lies in

Highlights where the difficulty is situated.

a major stumbling block is

Emphasizes the problem may cause someone to make a mistake.

FAQs

How can I use "key challenge is" in a sentence?

Use "key challenge is" to introduce the main difficulty or obstacle that needs to be addressed in a particular situation. For example, "The key challenge is ensuring that all team members are on the same page regarding project deadlines."

What are some alternatives to "key challenge is"?

You can use alternatives like "main problem is", "primary obstacle is", or "central difficulty is" depending on the specific context.

Is "key challenge is" formal or informal?

"Key challenge is" is suitable for both formal and informal contexts, although it is more commonly found in professional and academic writing. Consider the audience and purpose when deciding whether to use this phrase.

What is the difference between "key challenge is" and "challenge is"?

Adding the word "key" before "challenge" emphasizes that this is the most important or significant challenge among others. "Challenge is" is a more general statement about a difficulty, whereas "key challenge is" highlights its importance.