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
border on
Grammar usage guide and real-world examplesUSAGE SUMMARY
"border on" is correct and usable in written English.
You can use "border on" when you want to describe something that is close to or related to something else. Example: His behavior bordered on rudeness.
✓ Grammatically correct
News & Media
Science
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
58 human-written examples
Crossing a border on skis is one of them.
News & Media
Some border on the surreal.
News & Media
Some representations border on pornography.
News & Media
Did their zeal border on bullying?
News & Media
Their exchanges sometimes border on the trite.
News & Media
Some riders border on the ridiculous.
News & Media
Some even border on vaudeville.
News & Media
I actually border on nationalism myself.
News & Media
I think it would border on unconstitutionality".
News & Media
They can also border on the familial.
News & Media
Skelton's ridiculous talents border on the comical.
News & Media
Expert writing Tips
Best practice
Use "border on" to express that something is close to becoming a particular, often undesirable, quality or state. For example, "His enthusiasm bordered on obsession."
Common error
Avoid using "border on" to describe positive attributes unless you intend to imply a negative aspect of excessiveness. It's better to use alternatives like "approach" or "resemble" for positive qualities.
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "border on" functions as a phrasal verb, specifically used to describe a state of nearing or closely resembling something. Ludwig AI confirms this usage, showing examples where it indicates approximation to a certain condition or quality.
Frequent in
News & Media
60%
Science
20%
Wiki
10%
Less common in
Formal & Business
3%
Reference
3%
Encyclopedias
1%
Ludwig's WRAP-UP
In summary, the phrase "border on" is a phrasal verb used to indicate that something is approaching or closely resembling a particular state or quality, often negative. As Ludwig AI confirms, it is grammatically correct and finds frequent usage in neutral contexts, especially within "News & Media". While versatile, it's important to consider the connotations of nearness when using "border on", as it tends to describe proximity to undesirable conditions. Related phrases such as "verge on" and "approach" can provide nuanced alternatives, depending on the context. The phrase is most common in "News & Media" sources and less common in formal business or encyclopedic content.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
verge on
Implies being very close to a state or condition, often negative.
approach
Indicates nearing a particular state or quality.
resemble closely
Highlights the similarity or likeness to something else.
approximate
Suggests a close but not exact match to a certain quality or condition.
tend towards
Indicates a leaning or inclination in a specific direction.
come close to
Emphasizes the nearness to a particular state without fully reaching it.
be akin to
Highlights a resemblance or similarity in nature or quality.
touch upon
Suggests briefly dealing with or being relevant to a topic.
approximate to
Indicates a close estimation or similarity to something.
come near to
Suggests approaching a state or condition without necessarily reaching it.
FAQs
How can I use "border on" in a sentence?
The phrase "border on" is used to indicate that something closely resembles or is approaching a particular state, often one that is undesirable. For instance, "His behavior began to border on rudeness."
What's a good alternative to "border on"?
Alternatives to "border on" include "verge on", "approach", or "resemble closely", depending on the nuance you wish to convey.
Is it appropriate to use "border on" in formal writing?
Yes, "border on" is suitable for formal writing, but consider the implications. It usually suggests that something is nearing a negative or undesirable state. Choose your words carefully to ensure you convey the intended meaning.
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
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested