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 thin line between
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a thin line between" is correct and usable in written English.
It is typically used to describe a subtle distinction or difference between two concepts, ideas, or situations that may seem similar. Example: "There is a thin line between love and obsession, and it's important to recognize when that line has been crossed."
✓ Grammatically correct
News & Media
Wiki
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
59 human-written examples
There is a thin line between ego and ambition.
News & Media
There is a thin line between pretentious and interesting.
News & Media
It's a thin line between love and hate.
News & Media
"There's a thin line between comfortable and complacent.
News & Media
There's a thin line between aging and peaking".
News & Media
But there is a thin line between hope and denial".
News & Media
It proves that there is a thin line between courtship and stalking.
News & Media
It's a thin line between love of wild mushrooms and death.
News & Media
In hip-hop there's historically been a thin line between band and entourage.
News & Media
There is, so it is claimed, a thin line between love and hate.
News & Media
But, he told me, "there's a thin line between convincing people and manipulating them".
News & Media
Expert writing Tips
Best practice
When using "a thin line between", ensure that the two concepts you are comparing are genuinely similar and that the distinction is subtle but important. Providing specific examples helps clarify the nuanced difference.
Common error
Avoid using "a thin line between" when the distinction is actually quite obvious or significant. This diminishes the impact and suggests a lack of understanding of the core differences.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a thin line between" functions as a connector, highlighting a subtle but important distinction between two concepts or ideas. It's often used to emphasize the delicate balance or close relationship between seemingly similar things, as demonstrated by Ludwig's examples.
Frequent in
News & Media
65%
Wiki
25%
Formal & Business
3%
Less common in
Science
3%
Encyclopedias
2%
Reference
2%
Ludwig's WRAP-UP
In summary, "a thin line between" is a common phrase used to express a subtle but significant distinction between two related concepts. As Ludwig AI explains, it indicates that while the two things may seem similar, a crucial difference exists. This phrase is widely used in news, media and general writing to invite the audience to recognize the potentially blurred boundary and avoid crossing it. To use this phrase effectively, remember to clearly define the two concepts and illustrate the often delicate distinction with examples.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
a fine line between
Replaces 'thin' with 'fine', implying a similar degree of subtlety.
a narrow margin between
Focuses on the small difference or space between the two things.
a subtle distinction between
Highlights the delicate difference that may not be immediately obvious.
a blurred boundary between
Suggests the distinction is unclear or indistinct.
a delicate balance between
Emphasizes the need for careful equilibrium between two opposing forces.
a razor's edge between
Implies a risky or precarious position between two undesirable outcomes.
a shade of difference between
Indicates a very slight or subtle variation.
a dividing line between
Highlights the separation, even if it's not very pronounced.
the difference is negligible between
Suggests the distinction is so small as to be unimportant.
the distinction is almost nonexistent between
Emphasizes the lack of a clear separation.
FAQs
How can I use "a thin line between" in a sentence?
Use "a thin line between" to highlight a subtle distinction between two similar things. For example, "There's a thin line between confidence and arrogance."
What is an alternative to saying "a thin line between"?
You can use alternatives like "a fine line between", "a narrow margin between", or "a subtle distinction between", depending on the context.
Which is correct, "a thin line between" or "a fine line between"?
Both "a thin line between" and "a fine line between" are correct and widely accepted. The choice depends on personal preference as they convey essentially the same meaning.
What's the difference between "a thin line between" and "a clear distinction between"?
"A thin line between" indicates a subtle, often difficult-to-perceive difference, while "a clear distinction between" implies an easily recognizable and obvious difference.
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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested