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
a knotty issue
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a knotty issue" is correct and usable in written English.
It can be used to describe a complex or difficult problem that is challenging to resolve. Example: "The debate over climate change policy has become a knotty issue for lawmakers, with many differing opinions on the best approach."
✓ Grammatically correct
News & Media
Wiki
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
1 human-written examples
James Brown of the Museum of Broadcast Communications said it "explore[d] a knotty issue facing media people in contemporary society, focusing on how investigating and reporting those issues impact on the layers of personalities populating a complex newspaper publishing company".
Wiki
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
President Obama is so much better when he takes a heated, knotty issue, like civil rights or banking reform, and talks to the country like adults.
News & Media
For, as Mat Hunter, chief design officer at the Design Council, points out: "There is just as much scope to improve experiences of services through innovation in healthcare, but trying to kickstart designs can be a particularly knotty issue".
News & Media
UNITED NATIONS — With the international treaty seeking to prevent the proliferation of nuclear weapons already wobbly, Secretary General Ban Ki-moon on Wednesday called for it to be buttressed with renewed commitments toward disarmament and for tackling the knotty issue of a Middle East free of nuclear weapons.
News & Media
There is only time for one more question and it has to be about his performance in his first year as president and that key fourth pillar of his election manifesto: the development of women's cycling and the knotty issue of a minimum wage for women riders.
News & Media
In addition to our broken food production system -- a system that tortures animals and poisons people and the planet on which we all depend, I hope the scandal about horses in Whoppers and meatballs encourages a real dialogue about this knotty issue.
News & Media
Even a last-minute announcement that a deal had been reached on the knotty issue of drug trafficking failed to boost Mr Santos in the election.
News & Media
On Thursday, Cuomo and his staffers wrapped up negotiations with three Senate Republicans over one final knotty issue that had prevented a floor vote until then -- the question of how many exemptions should be granted to religious groups and individuals who oppose gay marriage.
News & Media
At stake instead, he wrote, was a knotty legal issue over whether the city's regulation amounted to a mandate to buy hybrids.
News & Media
He added, however, that integrating data from tax returns and using it to meet customer needs, which Block is exploring, creates a knotty privacy issue.
News & Media
And now it is the knotty issue of immigration that has made him a local cause célèbre, thrust him into one of the nation's most contentious debates, jeopardized his future and sent a current of fear through the $550-billion-plus restaurant industry.
News & Media
Expert writing Tips
Best practice
Use "a knotty issue" when you want to emphasize the complexity and difficulty of a problem that requires careful consideration and a thoughtful approach.
Common error
While "a knotty issue" is widely understood, it can sound overly formal in casual conversation. Opt for simpler alternatives like "a tough problem" or "a tricky situation" in informal settings.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a knotty issue" functions as a noun phrase, acting as the subject or object within a sentence. It describes a specific type of problem, one that is complex and challenging. As Ludwig AI confirms, the phrase is correct and usable.
Frequent in
News & Media
72%
Science
14%
Formal & Business
7%
Less common in
Wiki
2%
Encyclopedias
1%
Reference
1%
Ludwig's WRAP-UP
In summary, the phrase "a knotty issue" is a well-established and grammatically sound expression used to describe a complex and challenging problem. As Ludwig AI confirms, the phrase is correct and usable in written English. While it's most prevalent in news and media contexts, it also appears in science and business domains. When considering alternatives, phrases like "a complex problem" or "a difficult situation" can be used, especially in more informal settings. Remember to use "a knotty issue" when you want to emphasize the intricacy of a situation, and be mindful of your audience to ensure the register is appropriate. As the linguistic analysis shows, the communicative purpose of "a knotty issue" is to highlight that careful consideration is needed to solve that issue.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
a complex problem
Focuses on the intricate nature of the problem.
a difficult situation
Emphasizes the challenging aspects of the situation.
a thorny problem
Highlights the troublesome and potentially painful aspects of the problem.
a complicated matter
Stresses the complex and convoluted nature of the issue.
a challenging question
Emphasizes the difficulty in finding a suitable answer or resolution.
an intricate dilemma
Highlights the delicate and complex nature of the dilemma.
a perplexing puzzle
Focuses on the confusing and baffling aspects of the situation.
a tough predicament
Stresses the difficult and unenviable position one is in.
a delicate subject
Emphasizes the sensitivity and potential for controversy surrounding the topic.
a vexing question
Highlights the annoying and frustrating aspects of the question.
FAQs
How can I use "a knotty issue" in a sentence?
You can use "a knotty issue" to describe a problem that is complex and difficult to resolve. For example: "The question of funding for public schools remains "a knotty issue" for the city council".
What are some alternatives to "a knotty issue"?
Some alternatives to "a knotty issue" include "a complex problem", "a difficult situation", or "a thorny problem". The best choice depends on the specific context.
Is "a knotty issue" formal or informal?
"A knotty issue" is generally considered to be a neutral to slightly formal expression. It's suitable for use in news articles, academic papers, and business communications.
What makes an issue "knotty"?
An issue is considered "knotty" when it is complex, tangled, and difficult to untangle or resolve. It implies that the issue has many interconnected parts and potential complications.
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
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested