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
is bounded by
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "is bounded by" is correct and commonly used in written English.
It means that something is surrounded or contained by another thing or boundary. Example: The park is bounded by a high fence on one side and a river on the other.
✓ Grammatically correct
Science
News & Media
Encyclopedias
Alternative expressions(20)
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
His world is bounded by Homer and Goethe.
News & Media
A child's world is bounded by what they see.
News & Media
It is bounded by Whitehall, South, Water and Broad Streets.
News & Media
Area of interest is bounded by white circles.
Science & Research
Area of interest is bounded by black or white circles.
Science & Research
Each detected bout is bounded by a red box.
Science & Research
One edge is bounded by a native hedge.
News & Media
The feed channel is bounded by membranes.
Science
To the east the territory is bounded by the state of Uttar Pradesh, and to the north, west, and south it is bounded by the state of Haryana.
Encyclopedias
It is bounded by major erosional surfaces SB2 and SB3.
Science
The site is bounded by River Road, Parker Avenue, Old Palisades Road and Massa Lane.
News & Media
Expert writing Tips
Best practice
When describing geographical areas or abstract concepts, use "is bounded by" to clearly define the limits or scope. This enhances clarity and precision in your writing.
Common error
Avoid using "is bounded by" in overly abstract contexts where more figurative language might be appropriate. Overusing it can make your writing sound stiff or overly technical.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is bounded by" functions as a verb phrase that describes the spatial or conceptual limits of a subject. It signifies that the subject's extent or scope is defined by specific boundaries or constraints. Ludwig AI confirms its grammatical correctness and widespread use.
Frequent in
Science
44%
News & Media
35%
Encyclopedias
15%
Less common in
Wiki
3%
Academia
2%
Formal & Business
1%
Ludwig's WRAP-UP
In summary, "is bounded by" is a versatile phrase used to define the limits or borders of a subject. As demonstrated by Ludwig's examples, it is grammatically correct and widely employed across various domains, particularly in science, news, and encyclopedic contexts. While it is crucial for writers to employ the phrase correctly for describing spatial or conceptual limits, it's equally important to prevent its overuse in abstract contexts. Consider alternatives like "is bordered by" or "is confined by" depending on the context. Remember, the goal is to enhance clarity and precision.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
is bordered by
Focuses specifically on the bordering aspect, implying a shared boundary.
is confined by
Emphasizes the restriction or limitation imposed by the boundaries.
is enclosed by
Highlights the complete surrounding of something by its boundaries.
is delimited by
Stresses the precise definition of limits or boundaries.
is circumscribed by
Implies a more formal or mathematical setting of boundaries.
is defined by
Highlights the role of boundaries in giving a thing its specific character.
is surrounded by
Focuses on a complete and often encompassing boundary.
is limited to
Highlights the restrictive nature of boundaries acting as constraints.
is contained within
Emphasizes inclusion and restriction within specific boundaries.
is marked by
Highlights the presence of boundaries as defining markers or indicators.
FAQs
How to use "is bounded by" in a sentence?
Use "is bounded by" to define the limits or borders of something, like "The national park "is bounded by" the mountain range to the west and the river to the east."
What can I say instead of "is bounded by"?
You can use alternatives like "is bordered by", "is confined by", or "is delimited by" depending on the specific context.
When is it appropriate to use "is bounded by" over "is surrounded by"?
"Is bounded by" is more appropriate when describing specific limits or borders, while "is surrounded by" implies a complete enclosure. For example, a city "is bounded by" roads, but a house might be "is surrounded by" a garden.
Which is correct, "is bounded by" or "is bound by"?
Both phrases exist, but they have different meanings. "Is bounded by" means to be limited or bordered by something. "Is bound by" means obligated or constrained by something, like a contract.
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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested