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
under the boundary
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "under the boundary" is correct and usable in written English.
It can be used in contexts discussing limits, thresholds, or areas that fall within a defined boundary. Example: "The wildlife conservation area is located under the boundary of the national park, ensuring protection for the endangered species."
✓ Grammatically correct
Science
News & Media
Alternative expressions(20)
is equivalent to
in the wishes of
rapidly thereafter
for the immediate future
Very soon
somewhere later
one week before
at the early time
in the next weeks
during the previous years
it is important to remember
not yet completed
to avoid disruption
in accordance with direction from
a couple of books before
if not soon
in two days
as excellent as
in a flash
as instructed by the directive
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
He says Northern Ireland would lose 17% of its MPs under the boundary changes.
News & Media
Those who ventured under the boundary rope in search of powder risked incurring the wrath of the Italian authorities.
News & Media
A lot of Tory MPs had opposed Lords reform because they feared for their seats under the boundary changes, he says.
News & Media
Under the boundary commission's proposals, the new constituency would include the Cornish towns of Launceston and Bude – plus the north Devon port of Bideford – and myriad villages and hamlets in between.
News & Media
Then, the multiscale base functions can be constructed numerically under the boundary conditions through the micro scale computations.
Science
Alasdair McDonnell's South Belfast constituency will be expanded into the Sinn Féin heartland of West Belfast under the boundary review, with the two seats merging in to Belfast South West.
News & Media
We then ducked under the boundary ropes on the north side of Deer Valley for a short hike, skis on shoulders, into the neighbouring Park City ski area, where we hit some more groomers before heading into relatively wild backcountry terrain.
News & Media
Diffusion equations for these models were numerically solved under the boundary conditions which accounts for the chemical reaction at the drop surface.
Science
Finally, a damaged cross-ply laminate is modeled under the boundary conditions of tensile loading and also 3-point bending with and without the proposed cohesive modification.
Science
The mineralogical and chemical changes of bentonites were studied under the boundary conditions of a repository in salt formations by means of a literature review, a natural analogue study, and laboratory experiments.
Science
This study investigates the impact of the design of a heat recovery steam generator (HRSG) on its dynamic behaviour under the boundary condition of a gas turbine start-up.
Science
Expert writing Tips
Best practice
When using "under the boundary" in scientific or technical writing, clearly define what boundary you are referring to. Specificity enhances clarity.
Common error
Avoid using "under the boundary" when you mean "within" or "subject to the boundary conditions". "Under" implies a spatial relationship that may not always be accurate.
Source & Trust
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "under the boundary" primarily functions as a prepositional phrase, modifying a verb, noun, or adjective to indicate a condition, location, or state within certain limits. As evidenced by Ludwig, it sets specific parameters for a given context.
Frequent in
Science
50%
News & Media
30%
Formal & Business
20%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "under the boundary" serves to delineate specific conditions, limits, or constraints relevant to a particular context. As a prepositional phrase, it’s most frequently employed in scientific and news-related domains, denoting a formal register. Ludwig AI confirms the grammatical correctness and usability of this phrase, showing its prominence in defining parameters or scoping conditions. While versatile, it's essential to ensure its appropriateness, especially concerning physical versus conceptual boundaries, to avoid misinterpretations. When clarity and precision are paramount, especially in scientific or technical contexts, "under the boundary" serves as a valuable tool.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
within the limits
Expresses being confined by specific restrictions or parameters.
subject to the conditions
Indicates adherence to a set of prerequisites or stipulations.
constrained by the border
Highlights the restrictive influence of a defined border or boundary.
governed by the perimeter
Emphasizes the regulatory role of a surrounding perimeter.
limited by the edge
Focuses on the restrictive nature of an edge or boundary.
controlled by the demarcation
Highlights the control exerted by a clearly defined line or demarcation.
dictated by the bounds
Expresses how something is determined by specific limits or bounds.
conditioned by the frontier
Indicates that something's state is dependent on the frontier.
subordinate to the demarcation
Indicates a lower rank/importance compared to the demarcation.
inferior to the boundary
States a clear difference in rank or quality compared to the boundary.
FAQs
How can I use "under the boundary" in a sentence?
You can use "under the boundary" to describe conditions or locations that exist within or are governed by specific limits or constraints. For example, "The experiment was conducted "under the boundary" conditions of constant temperature and pressure."
What's the difference between "under the boundary" and "within the boundary"?
"Under the boundary" often implies a limiting factor or condition, while "within the boundary" simply indicates a location or state inside a defined area. The choice depends on whether you want to emphasize the constraint or just the location.
Can I use "under the boundary" to describe abstract concepts?
Yes, "under the boundary" can be used for abstract concepts like rules, laws, or regulations, as long as the concept of a limit or constraint is applicable. For example, a business might operate "under the boundary" of certain ethical guidelines.
What are some alternatives to using "under the boundary"?
Depending on the context, you could use phrases like "subject to the limits", "constrained by the border", or "within the bounds of" as alternatives to "under the boundary".
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
4.1/5
Expert rating
Real-world application tested