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
boundary up
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "boundary up" is not a standard expression in written English and may not be widely understood.
It could potentially be used in specific contexts, such as discussing setting limits or establishing boundaries in a conversation or relationship. Example: "In our meeting, we need to boundary up our discussions to ensure we stay on topic and respect each other's viewpoints."
⚠ May contain grammatical issues
Science
News & Media
Encyclopedias
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
9 human-written examples
In 1595, however, by the Peace of Täysinä, the existing de facto boundary, up to the Arctic Ocean, was granted official recognition by the Russians.
Encyclopedias
Hansen has long argued that humanity should move towards a safe limit for CO2 in the atmosphere of 350ppm - a value that the organisation 350.org takes its name from – moving that boundary up or down as new evidence comes in.
News & Media
The earthquake rupture likely propagated along the plate boundary up to the trench axis.
Science
Not taking crustal magnetic fields into account will thus smear our boundary up to one data bin at the terminator, less in the dayside.
Science
"I have to put a boundary up.
News & Media
He took the northern boundary up to Nellore (Andhra Pradesh), where his advance was stopped by a defeat at the hands of the Rashtrakuta king Krishna III.
Encyclopedias
Human-verified similar examples from authoritative sources
Similar Expressions
50 human-written examples
The left fenestra is approximately trapezoidal, and the squamosal in this region is greatly swollen around the fenestra's boundaries (up to 67 mm in thickness at the rostral border of the fenestra).
Science
Fredholm solvability and elliptic regularity up to the boundary and up to infinity for boundary value problems on manifolds with polycylindrical ends follows.
Only the best batsmen can play it and that boundary brings up 7,000 Test runs for de Villiers.
News & Media
The boundary shows up clearly in cross section on the vertical slice, where it appears to dip 55°SE (Fig. 22a).
Science
Thus the violation of every boundary set up by every indigenous culture.
News & Media
Expert writing Tips
Best practice
When referring to setting limits or establishing rules, use more common and universally understood phrases like "set boundaries" or "establish limits" for clarity.
Common error
Avoid using "boundary up" in formal writing. It's not a standard English phrase and can sound unnatural. Opt for more common alternatives such as "establish boundaries" or "set limits".
Source & Trust
81%
Authority and reliability
3.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "boundary up" functions as part of a verb phrase, often indicating the act of establishing or defining a limit. However, as Ludwig AI notes, this phrasing is not standard and may sound awkward. Examples show it used in contexts ranging from geographical limits to personal relationships.
Frequent in
Science
30%
News & Media
30%
Encyclopedias
15%
Less common in
Wiki
15%
Formal & Business
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, the phrase "boundary up" is an uncommon and somewhat awkward way to describe establishing limits or restrictions. Ludwig AI identifies it as a non-standard expression, advising caution in its usage. While it appears in a variety of sources, including news and scientific publications, more common alternatives such as "set a boundary" or "establish limits" are generally preferred for clarity and wider acceptance. Therefore, while not strictly incorrect, writers should consider more conventional phrasing to ensure effective communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
set a boundary
Focuses on the act of establishing a limit or restriction.
establish limits
Emphasizes the creation of clear parameters or constraints.
define a border
Highlights the act of specifying the edge or boundary of something.
draw a line
Figuratively indicates setting a firm limit that should not be crossed.
create a perimeter
Stresses the construction of an outer boundary for security or control.
impose restrictions
Highlights the act of placing limitations or constraints.
mark a frontier
Emphasizes the demarcation of a limit, particularly in new or unexplored areas.
delineate scope
Focuses on defining the extent or range of something.
designate a threshold
Highlights the act of specifying a point or level that must be reached or exceeded.
stipulate limitations
Emphasizes the act of formally specifying the limits or constraints.
FAQs
What does "boundary up" mean?
The phrase "boundary up" is not a standard English expression. It seems to be used to describe establishing a boundary, but it's not a commonly used phrase.
What are some alternatives to "boundary up"?
Instead of "boundary up", you can use alternatives such as "set a boundary", "establish limits", or "define a border".
Is "boundary up" grammatically correct?
While not strictly ungrammatical, "boundary up" is an unusual phrasing that may not be readily understood. More common and accepted alternatives are generally preferred for clarity.
How can I use "set a boundary" in a sentence?
You can use "set a boundary" in a sentence like, "It's important to "set a boundary" with clients to avoid overwork."
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
3.1/5
Expert rating
Real-world application tested