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 contained within
Grammar usage guide and real-world examplesUSAGE SUMMARY
"is contained within" is correct and usable in written English.
You can use it to describe when something is included or held inside something else. For example, "The answers to this quiz are contained within the notebook."
✓ Grammatically correct
News & Media
Academia
Science
Wiki
Encyclopedias
Alternative expressions(20)
is located within
forms part of
is home to
is found within
is situated inside
is confined within
is located inside
is included within
is comprised within
is encapsulated within
is enclosed by
is categorized within
is housed in
is accommodated by
is included in
is embedded in
is based in
is categorized in
is stationed in
is positioned in
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
59 human-written examples
Most of the Heights is contained within a similar district.
News & Media
A function that is contained within a class definition.
Academia
It is contained within the electorate of agriculture minister and deputy Nationals leader Barnaby Joyce.
News & Media
The Watergate exhibition follows and is contained within a long, narrow corridor.
News & Media
G-d's answer is contained within the rest of the Torah and it's a resounding 'yes'yes
News & Media
6Music might be niche but look how much creativity is contained within it.
News & Media
In all, Canesta executives said, the technology is contained within a relatively inexpensive set of chips.
News & Media
From the faintly drab exterior, there are few clues that so much drama is contained within.
News & Media
Cytoplasm is contained within cells in the space between the cell membrane and the nuclear membrane.
Encyclopedias
And the little action that occurs is contained within the final minutes of each act.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
1 human-written examples
and the associated local correlation maximum is contained within a source cell.
Academia
Expert writing Tips
Best practice
Use "is contained within" to clearly indicate that one thing is physically or conceptually inside another. This phrase is useful for technical descriptions, legal documents, and academic writing where precision is important.
Common error
While "is contained within" is grammatically sound, avoid using it excessively in casual conversations or informal writing. Simpler alternatives like "is in" or "is part of" often sound more natural.
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is contained within" functions as a linking verb followed by a prepositional phrase. It connects the subject to a description of its location or inclusion, indicating that the subject is located inside something else. Ludwig examples confirm its use in various contexts.
Frequent in
News & Media
33%
Science
28%
Academia
20%
Less common in
Wiki
13%
Encyclopedias
3%
Formal & Business
1%
Ludwig's WRAP-UP
The phrase "is contained within" is a versatile expression used to denote that something is located or included inside something else. Grammatically correct and widely accepted, as Ludwig AI confirms, it finds frequent application across diverse contexts, particularly in news, science, and academic writing. While effective for precision, it's important to consider more informal alternatives like "is inside" or "is part of" in casual settings. By understanding its function, purpose, and appropriate register, writers can effectively use "is contained within" to enhance clarity and accuracy in their communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
is included in
Uses a simpler verb "included" to express that something is part of something else.
is found within
Emphasizes the presence of something inside something else.
is located inside
Focuses on the physical placement of an item within a boundary.
is encompassed by
Suggests a broader inclusion, where something is completely surrounded.
is situated within
Highlights the position of something relative to its surroundings.
is embedded in
Implies that something is deeply integrated into its surrounding context.
is housed within
Suggests that something is sheltered or protected inside.
is enclosed by
Focuses on the act of something being surrounded by something else.
falls under the umbrella of
Indicates that something is categorized within a broader grouping.
forms part of
Indicates being a component of a bigger structure.
FAQs
How can I use "is contained within" in a sentence?
The phrase "is contained within" indicates that something is located or included inside something else. For instance, "The key information "is contained within" the report".
What are some alternatives to "is contained within"?
Alternatives include "is included in", "is found within", or "is located inside", depending on the specific context.
Is it better to use "is contained within" or "is inside"?
"Is inside" is generally more informal and suitable for casual contexts. "Is contained within" is more formal and precise, making it better suited for technical or academic writing.
What is the difference between "is contained within" and "is encompassed by"?
"Is contained within" suggests that something is located within specific boundaries, while "is encompassed by" suggests a broader inclusion, as if something is completely surrounded or covered by something else.
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
4.5/5
Expert rating
Real-world application tested