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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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complex challenge

Grammar usage guide and real-world examples

USAGE SUMMARY

"complex challenge" is a correct and usable phrase in written English.
You can use it to refer to a particularly difficult problem that requires skill and effort to overcome. For example, "The examination posed a complex challenge for the students, testing their knowledge of the subject matter."

✓ Grammatically correct

News & Media

Science

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

57 human-written examples

The Everglades presented a more complex challenge.

News & Media

The New Yorker

But this is a real complex challenge.

We now face a complex challenge.

Antimicrobial resistance is a complex challenge we all face.

News & Media

The New York Times

But giving meaning to life is a complex challenge of a quite different order".

Thinking such a complex challenge through, and executing it, is Murphy's strength.

News & Media

The New York Times

This complex challenge needs a complex solution, one which involves and empowers people, not taxes them".

The difficult and complex challenge for jurors is deciding what intent is.

News & Media

The New York Times

Addressing the global obesity epidemic is a huge and complex challenge that we all must face.

There is no single solution to this complex challenge, but progress is within our reach.

News & Media

The New York Times

The Straw/Rifkind saga highlights the complex challenge of seeking clear answers.

News & Media

Independent
Show more...

Expert writing Tips

Best practice

When using "complex challenge", ensure the context clearly identifies the specific area or domain where the challenge exists. This provides clarity and avoids ambiguity.

Common error

Avoid using "complex challenge" as a generic descriptor for every difficult situation. Opt for more specific language that captures the nuance of the particular problem to maintain the reader's interest and credibility.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

87%

Authority and reliability

4.6/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "complex challenge" functions primarily as a noun phrase, where "complex" modifies the noun "challenge". It describes a particular type of problem that is not simple or straightforward. Ludwig AI confirms that this is a correct and usable phrase.

Expression frequency: Very common

Frequent in

News & Media

30%

Science

35%

Formal & Business

15%

Less common in

Reference

10%

Encyclopedias

5%

Wiki

5%

Ludwig's WRAP-UP

The phrase "complex challenge" is a common and grammatically sound way to describe a multifaceted problem requiring significant effort. As Ludwig AI indicates, it is appropriate for use in written English across a variety of contexts. It appears most frequently in scientific, news, and formal business settings. While alternatives like "difficult problem" or "complicated issue" exist, "complex challenge" specifically highlights both the intricacy and the demanding nature of the situation. When using this phrase, ensure that the context clearly defines the challenge to avoid ambiguity and overuse, maintaining impactful and credible communication.

FAQs

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

You can use "complex challenge" to describe a multifaceted problem that requires significant effort and expertise to solve. For example, "Addressing climate change is a "complex challenge" that requires global cooperation".

What are some alternatives to "complex challenge"?

Alternatives include "difficult problem", "complicated issue", or "formidable undertaking". The best choice depends on the specific context and the aspect you want to emphasize. See also "difficult problem", "complicated issue", and "formidable undertaking".

Is it redundant to say "very complex challenge"?

While not grammatically incorrect, adding "very" to "complex challenge" can be redundant. The word "complex" already implies a high degree of intricacy. Consider using a stronger, more descriptive adjective if you want to emphasize the difficulty further. See also "difficult problem".

What makes a challenge "complex"?

A challenge is considered "complex" when it involves multiple interconnected factors, lacks a straightforward solution, and requires a deep understanding of various elements to address effectively. For example, poverty is a "complex challenge" that requires multifaceted solutions.

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Source & Trust

87%

Authority and reliability

4.6/5

Expert rating

Real-world application tested

Most frequent sentences: