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
are kept within
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "are kept within" is correct and usable in written English.
It can be used to indicate that something is contained or restricted to a certain area or group. Example: "All sensitive documents are kept within the secure vault to ensure their safety."
✓ Grammatically correct
Science
News & Media
Formal & Business
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
56 human-written examples
They are kept within reasonable limits.
News & Media
Disputes are frequent, but most are kept within manageable limits.
News & Media
The CO will ensure that the RSM's methods of discipline and motivation are kept within the proper bounds.
News & Media
The cumulative, blushing colors are kept within tight ranges of hue and saturation, and of warm and cool.
News & Media
As long as the releases are kept within mandatory limits, I would imagine the risks are small".
News & Media
Battles with the neighboring Alawite-majority Jebel Mohsen neighborhood are common, and weapons are kept within easy reach.
News & Media
An even greater reason that there is little change is that most homes are kept within families or sold to neighbors or to the relatives of neighbors.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
4 human-written examples
Gun control is being kept within reasonable limits.
News & Media
The ability to offer Web services is kept within a small privileged circle.
News & Media
Therefore the growth of ivy on trees should be kept within reasonable bounds.
Encyclopedias
Likewise, deflections both local and overall must be kept within safe limits.
Encyclopedias
Expert writing Tips
Best practice
When using "are kept within", ensure the context clearly defines the boundaries or limits being referred to. For example, "Emotions are kept within reasonable limits."
Common error
Avoid using "are kept within" when the intention is merely to suggest proximity, not strict confinement. For example, instead of "Files are kept within the same folder" use "Files are located in the same folder."
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "are kept within" functions as a passive construction indicating that something is being maintained or restricted within specified limits or boundaries. Ludwig AI confirms its grammatical correctness and usability. Examples show it used across various domains, from emotional regulation to technical specifications.
Frequent in
Science
51%
News & Media
34%
Formal & Business
7%
Less common in
Encyclopedias
2%
Wiki
2%
Reference
0%
Ludwig's WRAP-UP
The phrase "are kept within" is a grammatically correct and frequently used expression that signifies containment or restriction within defined limits. As evidenced by the numerous examples provided by Ludwig, this phrase appears across a wide array of contexts, with a notable prevalence in scientific, news, and formal business domains. Ludwig AI analysis affirms its usability in English writing, highlighting its function in specifying boundaries and adherence to standards. When using this phrase, clarity and precision are paramount, ensuring the context clearly defines the limits being referenced. Alternative phrases, such as "are contained within" or "are restricted to", may offer nuanced variations in meaning, depending on the specific context.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
are maintained inside
Focuses on maintaining something inside a defined space.
are contained within
Emphasizes the act of being enclosed or included within something.
are restricted to
Highlights the limitation or confinement to a specific area or group.
are confined to
Similar to 'restricted to' but suggests a more limiting or forced containment.
are held within
Implies a deliberate act of holding or retaining something inside.
are limited to
Indicates a boundary or upper limit.
are enclosed in
Focuses on the physical enclosure or surrounding of something.
are preserved in
Highlights the act of maintaining something in its current state within certain conditions.
are safeguarded inside
Emphasizes protection and security within an enclosed space.
are stored in
Focuses on the act of placing items in a specific location for safekeeping or future use.
FAQs
How do I use "are kept within" in a sentence?
Use "are kept within" to indicate that something is contained or restricted to a certain boundary or limit. For example, "All company data "are kept within" secure servers."
What can I say instead of "are kept within"?
You can use alternatives like "are contained within", "are restricted to", or "are confined to" depending on the context.
Is it correct to say "is kept within" instead of "are kept within"?
No, use "is kept within" for singular subjects (e.g., "The secret is kept within the family"), and "are kept within" for plural subjects (e.g., "The documents are kept within the vault").
What is the difference between "are kept within" and "are maintained within"?
"Are kept within" implies containment, while "are maintained within" suggests that something is actively preserved or upheld inside a certain boundary. For instance, "Standards "are kept within" legal limits" (containment), versus "Temperatures "are maintained within" a specific range" (active preservation).
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