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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
puzzling topic
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "puzzling topic" is correct and usable in written English.
You can use it when referring to a subject or issue that is confusing or difficult to understand. Example: "The debate surrounding climate change is a puzzling topic that often leaves experts divided."
✓ Grammatically correct
Science
News & Media
Alternative expressions(20)
complex problem
vexing issue
intricate issue
complicated matter
challenging situation
difficult predicament
thorny question
convoluted situation
quite a flock
quite a journey
complex issue
cumbersome problem
a considerable distance
quite a fish
quite a peacemaker
a long way
quite a family
quite a pickle
quite a range
quite a miserablist
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
One puzzling topic of inquiry is how molecules are transported across the peroxisomal membrane.
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
This is puzzling, and would be a fruitful topic of further research.
Science
There is a puzzling mismatch between the strength of opinion on this topic and the state of the evidence.
News & Media
The topic arose because I had been drawn into her ceaseless puzzling, as could easily happen when we spent time together.
News & Media
You find it puzzling that a tax affecting only a few people has become such a hot topic, and then go on to say that doing away with the tax "seems to offer a big electoral hit".
News & Media
Attention is also a topic of philosophical interest because of its apparent relations to a number of other philosophically puzzling phenomena.
Science
But is it not puzzling that there is only one newspaper in the nation that at least devotes a regular column to the topic (the "Citizen Watchdog" column, by Jennifer LaFleur, in The Dallas Morning News)?
News & Media
Which is why to some it may be puzzling or even unedifying to have witnessed in the past week squabbles in both the Republican and Conservative parties about this very topic.
News & Media
The find was puzzling.
News & Media
Lanvin was somewhat puzzling.
News & Media
Profoundly influential yet puzzling.
News & Media
Expert writing Tips
Best practice
Use "puzzling topic" to introduce a subject that requires further investigation or explanation. It suggests there's an element of surprise or unexpectedness to the topic.
Common error
Avoid using "puzzling topic" for subjects that are merely complex but not inherently mysterious or unexpected. Reserve it for situations where genuine bewilderment or a lack of clear explanation is involved.
Source & Trust
95%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "puzzling topic" functions as a noun phrase, where "puzzling" acts as an adjective modifying the noun "topic". It characterizes the topic as something that causes confusion or is difficult to understand. As Ludwig suggests, the phrase is acceptable in written English.
Frequent in
Science
50%
News & Media
50%
Formal & Business
0%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "puzzling topic" is a grammatically sound and usable phrase, though relatively rare in occurrence. As Ludwig AI states, it aptly describes a subject that is confusing or difficult to understand. Predominantly found in scientific and news-related contexts, it serves to introduce subjects needing further investigation. While the phrase is straightforward, writers should avoid overusing it in overly simplistic scenarios, reserving it for instances where genuine uncertainty or complexity is involved. Its alternatives include "enigmatic subject" or "perplexing matter".
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
enigmatic subject
Replaces "puzzling" with "enigmatic", suggesting a deeper mystery.
perplexing matter
Substitutes both words with synonyms, focusing on the confusing aspect.
mystifying issue
Emphasizes the mysterious nature of the topic.
confounding question
Highlights the confusing and challenging nature of the question at hand.
baffling question
Focuses on the bewilderment caused by the question.
complex problem
Focuses on the complicated nature of the topic, framing it as a problem.
vexing issue
Highlights the frustrating nature of the issue.
intricate puzzle
Uses a metaphor to describe the topic as a complex puzzle to solve.
unfathomable subject
Suggests the topic is difficult or impossible to fully understand.
arcane topic
Implies the topic is obscure and understood by few.
FAQs
How can I use "puzzling topic" in a sentence?
You can use "puzzling topic" to introduce a subject that is confusing or difficult to understand. For example: "One "puzzling topic" of inquiry is how molecules are transported across the peroxisomal membrane."
What are some alternatives to "puzzling topic"?
Alternatives to "puzzling topic" include "enigmatic subject", "perplexing matter", or "mystifying issue". The best choice depends on the specific nuance you want to convey.
Is "puzzling topic" formal or informal?
"Puzzling topic" is suitable for both formal and informal contexts, though it's more commonly found in analytical or explanatory writing. It maintains a neutral tone.
When is it appropriate to use the phrase "puzzling topic"?
It's appropriate to use "puzzling topic" when introducing a subject that presents a challenge to understanding or that defies easy explanation. The goal is to pique the reader's interest and invite further exploration.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
95%
Authority and reliability
4.1/5
Expert rating
Real-world application tested