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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
fine line
Grammar usage guide and real-world examplesUSAGE SUMMARY
"fine line" is correct and usable in written English.
You can use it to describe something that is delicate, subtle, or hard to differentiate between two concepts. For example, "Drawing a fine line between work and personal life is difficult for many people."
✓ Grammatically correct
News & Media
Sports
General discussions
Alternative expressions(18)
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
That's the fine line.
News & Media
A very fine line.
News & Media
"It's a fine line".
News & Media
There's a fine line.
News & Media
But there's a fine line.
News & Media
But it's a fine line.
News & Media
He walks a fine line.
News & Media
It's a very fine line".
News & Media
It is a fine line".
News & Media
So it's a fine line".
News & Media
It's always a fine line".
News & Media
Expert writing Tips
Best practice
When using "fine line," consider adding context to clarify the two concepts being balanced or distinguished, as readers might interpret the line differently.
Common error
Avoid using "fine line" without clearly stating what two concepts or actions are being balanced. Overuse without context can make your writing seem vague or cliché. Provide examples or specific situations to illustrate the distinction you are making.
Source & Trust
86%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "fine line" typically functions as a noun phrase, often serving as a subject complement or object of a preposition. It describes a subtle distinction or delicate balance between two things. Ludwig AI confirms its usability in various contexts.
Frequent in
News & Media
35%
Sports
25%
General discussions
20%
Less common in
Formal & Business
10%
Science
5%
Reference
5%
Ludwig's WRAP-UP
The phrase "fine line" is a common and versatile expression used to describe a subtle distinction or delicate balance. As Ludwig AI indicates, it is grammatically correct and widely applicable across various contexts, from news and sports to general discussions. When using the phrase, ensure clarity by explicitly stating the two concepts being balanced, and keep in mind synonyms like "thin line" or "delicate balance" to enhance your writing. Be aware of overusing the phrase without context, as it might come off as unoriginal. By following these guidelines, you can effectively use "fine line" in your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
thin line
Replaces "fine" with "thin", maintaining the core meaning of a delicate boundary.
delicate balance
Emphasizes the need for equilibrium and care in maintaining a specific state or situation.
subtle difference
Highlights the slight or nuanced distinction between two things.
narrow margin
Focuses on the small degree of tolerance or permissible variation.
precarious balance
Suggests that the balance is unstable and easily disrupted.
razor's edge
Implies a situation where the consequences of a misstep are severe.
boundary
Highlights the distinction between separate entities, which requires care.
nuance
Highlights the importance of subtle differences or distinctions.
hairline
Focuses on how extremely thin or subtle something is.
delicate distinction
Emphasizes the subtly of the distinction that needs to be kept in mind.
FAQs
How can I use "fine line" in a sentence?
You can use "fine line" to describe a subtle distinction or a delicate balance between two things. For example, "There's a "fine line" between being assertive and being aggressive."
What does it mean to "walk a fine line"?
To "walk a fine line" means to carefully balance your actions or words to avoid problems or mistakes. It implies that the situation requires caution and precision. See also similar expressions like "thin line" or "delicate balance".
What are some synonyms for "fine line"?
Synonyms for "fine line" include "thin line", "delicate balance", "subtle difference", and "narrow margin". The best choice depends on the specific nuance you want to convey.
Is it always negative to say there is a "fine line"?
Not necessarily. While the phrase often implies a risk of error or negative consequences, it can also simply highlight the subtlety of a distinction without any inherent judgment. The tone depends on the context.
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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
86%
Authority and reliability
4.6/5
Expert rating
Real-world application tested