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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
across the boundary
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "across the boundary" is correct and usable in written English.
It can be used to describe a situation in which something or someone is located at a border or limit. For example: He crossed the boundary and entered the forbidden forest.
✓ Grammatically correct
News & Media
Science
Encyclopedias
Alternative expressions(20)
beyond the border
over the threshold
past the dividing line
on the other side
transgressing the limit
bridging the gap
across the borderland
across the fish
across the park
across the borderline
across the zone
across the threshold
across the land
across the realm
across the border
across the cap
across the frontier
across the constituency
across the interface
across the sector
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
Before this conflict, some 30,000 Gazans worked across the boundary.
News & Media
Any matter that gets too close vanishes across the boundary, like water down a drain.
News & Media
In the dystopian "Snow Crash" vision of the world, virus-like software leaps across the boundary separating machines from humans.
News & Media
(It's this attempt to make them sympathetic that pushes "The Green Mile" across the boundary between a movie about racism and a vaguely racist movie).
News & Media
For Lundqvist, who often handles the puck so inelegantly that he makes you wince, the puck sat just across the boundary.
News & Media
Pro-government forces and Israeli troops have fired across the boundary between southern Syria and the Israeli-controlled side of the Golan Heights.
News & Media
"If anything, all the attention from us has further legitimized the U.C.P.M.B.," said one senior United Nations official who has made several trips across the boundary.
News & Media
Violence by Palestinian militants in the Jordan Valley is prompting some Israeli settlers to move back across the boundary between the West Bank and Israel.
News & Media
Southwell Minster, the most charming and perhaps least-known cathedral in England, is 25 miles away, just across the boundary in Nottinghamshire.
News & Media
She has that same uncanny ability to move across the boundary between reading lines and beginning to act a scene, and you never see the join".
News & Media
In a decade the population on the Mexican side has increased by nearly half, compared with one-fifth across the boundary.
News & Media
Expert writing Tips
Best practice
Use "across the boundary" to clearly indicate movement or existence on both sides of a defined border, whether physical or abstract. This helps ensure precision and avoids ambiguity in your writing.
Common error
Avoid using "across the boundary" when you mean "along the boundary". "Across" indicates movement from one side to another, while "along" suggests movement parallel to the boundary.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "across the boundary" primarily functions as an adverbial phrase. It modifies verbs by indicating the direction or location of an action in relation to a defined border or limit, both physically and conceptually, as seen in the examples Ludwig provides.
Frequent in
Science
34%
News & Media
31%
Wiki
5%
Less common in
Encyclopedias
3%
Formal & Business
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "across the boundary" is a grammatically sound and frequently utilized adverbial phrase, as validated by Ludwig. It serves to denote movement or positioning relative to a specified border, whether real or conceptual. Found predominantly in scientific and news contexts, the phrase maintains a neutral level of formality, suitable for varied communications. Ludwig AI confirms its widespread applicability, offering clear examples of its usage across diverse domains. Writers should consider "beyond the border" or "over the threshold" as possible replacements, but must avoid confusing it with similar sounding phrases such as along the boundary.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
beyond the border
Emphasizes movement to the other side of a border, focusing on the destination.
past the dividing line
Highlights the act of surpassing a separator, often a physical or conceptual one.
over the threshold
Implies crossing a significant point or beginning a new stage or experience.
on the other side
Focuses on the location after crossing a boundary, with a simple spatial orientation.
transgressing the limit
Suggests violation or overstepping a boundary, often with negative connotations.
bridging the gap
Implies connecting two separate entities or ideas, suggesting overcoming a divide.
intersecting the plane
Indicates crossing an imaginary or mathematical surface.
straddling the line
Means to be in two different countries at the same time.
within the bounds
Suggests existence is limited by its parameters.
within touching distance
Shows that something is nearly touching.
FAQs
How can I use "across the boundary" in a sentence?
You can use "across the boundary" to describe movement or position in relation to a border. For example: "The refugees moved across the boundary into the neighboring country".
What's a good alternative to "across the boundary"?
Depending on the context, you could use alternatives like "beyond the border", "over the threshold", or "past the dividing line".
Is it correct to say "cross the boundary" instead of "across the boundary"?
While "cross the boundary" is grammatically correct and often used, "across the boundary" typically functions as an adverbial phrase, providing additional context about the manner or location of crossing.
What is the difference between "across the boundary" and "on the boundary"?
"Across the boundary" implies movement or existence spanning the border, whereas "on the boundary" suggests being situated directly at the border itself.
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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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested