Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
complex difficulty
Grammar usage guide and real-world examplesUSAGE SUMMARY
"Complex difficulty" is not a standard phrase in English, but it can be understood in context. You can use it when describing a situation or problem that has multiple layers of difficulty. For example: "The project presented a complex difficulty that required innovative solutions." Alternative expressions include "high level of difficulty" and "multifaceted challenge."
News & Media
Science
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
2 human-written examples
She does not explore the complex difficulty that presents itself so urgently today, that such false texts and made-up stories have the power to drive events in the real world, that life imitates art.
News & Media
Since participants did not stay overnight in the hypoxic chamber, the symptom complex "difficulty sleeping" was not taken into account.
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
The families were negotiating complex difficulties but that afternoon, coincidentally, each wanted to discuss discipline.
News & Media
She has become increasingly concerned that she has been allocated children with severe and complex difficulties for her third place.
News & Media
While gifted as a confessor and counsellor, to his spiritual protégés he could be authoritarian, sometimes failing to empathise with the complex difficulties in which they found themselves.
News & Media
Travelling with a paid escort who abandons them at Victoria station, how the two children cope with the complex difficulties of being refugees without legitimate status depends greatly on how those around them – and especially children – respond to them.
News & Media
Support workers from Pause Southwark have given a voice to the women who often face complex difficulties from homelessness, violent relationships, substance abuse and mental health problems, but do not meet thresholds for statutory help.
News & Media
This method may eliminate complex difficulties due to space-charge effects in the low-energy transport system.
that leads to complex difficulties associated with its CP.
In addition, lost referrals, professional schedule inflexibility, poorly communicated processes and resourcing issues highlighted complex difficulties.
Science
The explanation for this rise includes the complex difficulties of the post-care transition.
Expert writing Tips
Best practice
When using "complex difficulty", ensure the context clearly warrants both adjectives. Sometimes, a single, more precise word might suffice for better clarity.
Common error
Avoid using "complex difficulty" as a default phrase for any problem. Overusing it can make your writing sound repetitive and less impactful. Always consider whether a simpler, more direct term would be more effective.
Source & Trust
83%
Authority and reliability
3.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "complex difficulty" functions as a noun phrase, where "complex" modifies "difficulty", describing a specific type of challenge. It serves to qualify the nature of the difficulty, emphasizing its intricate and multifaceted characteristics. As Ludwig AI suggests, it's about something has multiple layers of difficulty.
Frequent in
Science
50%
News & Media
50%
Formal & Business
0%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "complex difficulty" describes a challenge that is both intricate and hard to resolve. Ludwig AI indicates that it is not a very frequent expression, with examples primarily found in scientific and news contexts. While grammatically acceptable, the phrase might sometimes be replaced by more common alternatives such as "intricate problem" or "multifaceted challenge" for improved clarity and impact. Using the phrase accurately involves recognizing situations where the difficulty stems from interconnected parts and underlying factors, rather than a straightforward obstacle.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
complex challenge
Emphasizes the challenge aspect while maintaining the complexity.
intricate problem
Replaces "difficulty" with "problem", focusing on the problematic nature of the complexity.
multifaceted challenge
Emphasizes the many aspects of the challenge, rather than just its difficulty.
formidable difficulty
Emphasizes the imposing nature of the difficulty.
complicated issue
Substitutes both words with synonyms that convey a similar sense of intricacy and challenge.
complex predicament
Replaces "difficulty" with a word emphasizing the challenging situation.
severe complication
Focuses on the complication aspect and its severity.
challenging complexity
Highlights the challenging nature of the complexity
difficult complexity
Inverts the order, stressing the complexity's inherent difficulty.
profound intricacy
Highlights the depth and complexity involved.
FAQs
How can I use "complex difficulty" in a sentence?
You can use "complex difficulty" to describe a problem or situation that is both intricate and challenging to resolve. For example: "The project presented a "complex difficulty" that required innovative solutions."
What are some alternatives to "complex difficulty"?
Alternatives to "complex difficulty" include "intricate problem", "multifaceted challenge", or "complicated issue", depending on the specific nuance you want to convey.
Is "complex difficulty" a commonly used phrase?
While grammatically correct, "complex difficulty" is not a particularly common phrase. More direct or specific alternatives are often preferred in writing.
When is it appropriate to use "complex difficulty" instead of a simpler term like "problem"?
Use "complex difficulty" when you want to emphasize that the problem is not only difficult but also has many interconnected parts or layers that make it challenging to understand or solve. If the difficulty is straightforward, a simpler term like "problem" or "challenge" may be more appropriate.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
83%
Authority and reliability
3.8/5
Expert rating
Real-world application tested