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
the only issue
Grammar usage guide and real-world examplesUSAGE SUMMARY
"the only issue" is correct and can be used in written English.
You can use it when you want to emphasize that something is the main point or source of difficulty or concern. For example: "The only issue we can't seem to find a solution to is the cost of the project."
✓ Grammatically correct
News & Media
Academia
Alternative expressions(20)
the sole concern
the only question
the only matter
the only theme
the only data
the main thing
the key question
the only difficulty
the central point
the only possibility
the primary problem
the only problem
the only importance
the sole issue
the only connection
the only topic
the only circumstance
the long and short of it
the only concern
the only conclusion
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
60 human-written examples
The only issue was minor.
News & Media
The only issue becomes price.
News & Media
Safety is the only issue, not cost.
News & Media
The only issue may be the cost.
News & Media
Spending was not the only issue.
News & Media
Money is not the only issue.
News & Media
But resources aren't the only issue.
News & Media
It's not the only issue, though".
News & Media
Cost isn't the only issue, however.
News & Media
Tariffs are not the only issue.
News & Media
Politics is not the only issue.
News & Media
Expert writing Tips
Best practice
Use "the only issue" when you want to emphasize the singular aspect of a situation that requires attention or resolution. It clearly identifies the core problem.
Common error
Avoid using "the only issue" when there are multiple contributing factors to a problem. Overusing the phrase can oversimplify complex situations and obscure other relevant details.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "the only issue" functions as a noun phrase that typically serves as the subject complement or object complement in a sentence. It identifies and emphasizes the single, most important problem or point of contention, as shown in the Ludwig examples.
Frequent in
News & Media
75%
Academia
13%
Formal & Business
7%
Less common in
Science
5%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "the only issue" is a grammatically correct and widely used phrase for emphasizing the singular point of concern in a situation. As confirmed by Ludwig, it functions as a noun phrase, typically serving as a subject or object complement. It is appropriate for neutral registers and commonly found in news, media, and academic contexts. When writing, be mindful not to overuse it in overly complex situations with multiple factors, as doing so can diminish the description and details of the overall topic. Consider using alternatives such as "the sole concern", "the primary problem", or "the main difficulty" for variety and nuance.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
the sole concern
This alternative replaces "issue" with "concern", emphasizing worry or anxiety as the main problem.
the primary problem
Using "problem" instead of "issue" highlights a difficulty that needs to be resolved.
the main difficulty
Replaces "issue" with "difficulty", focusing on the challenge or obstacle at hand.
the key question
Shifts the focus to a question that needs to be answered to resolve a situation.
the central point
Emphasizes that something is the most important idea or focus.
the heart of the matter
This idiom emphasizes getting to the core or essence of the situation.
the fundamental challenge
Focuses on a basic or essential difficulty that must be overcome.
the only sticking point
Highlights a single, specific aspect that is causing disagreement or preventing progress.
the long and short of it
An idiomatic expression used to indicate the essence or summary of a matter.
the crux of the biscuit
An informal, idiomatic way to refer to the most important part of something.
FAQs
How can I rephrase "the only issue"?
Alternatives include phrases like "the sole concern", "the primary problem", or "the main difficulty", depending on the specific nuance you want to convey.
Is it acceptable to use "the only issue" in formal writing?
Yes, "the only issue" is generally acceptable in formal writing. However, consider more precise or sophisticated alternatives like "the central point" or "the fundamental challenge" for greater impact.
What's the difference between "the only issue" and "the main issue"?
"The only issue" implies there is literally just one problem. "The main issue" suggests it's the most important among several issues. Choose the phrase that accurately reflects the context.
When is it inappropriate to use "the only issue"?
Avoid using "the only issue" when addressing multifaceted problems with several contributing factors. In these cases, it's better to acknowledge the complexity and discuss various aspects instead of oversimplifying.
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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested