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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
added an extension
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "added an extension" is correct and usable in written English.
You can use it when referring to the act of increasing the length or duration of something, such as a deadline or a software feature. Example: "The team added an extension to the project deadline to accommodate additional research."
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(2)
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
4 human-written examples
For example, the hotel owner in Cobh, knowing he can find affordable staff, has added an extension with extra rooms.
News & Media
It was the one not taken by the architects Sam Casswell and Alex Bank: rather, they made good its deficiencies and added an extension on the landward side.
News & Media
In 1953, the legislature added an extension of Route 15 from US 101 at Willits (north of Ukiah) west to SR 1 near Fort Bragg.
Wiki
Here, we added an extension to the aptamer to serve as a hybridization site for complementary oligonucleotide-coated gold nanoparticles.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
Will adding an extension increase the value of your home?
News & Media
Rolls-Royce dealers will add an extension pipe to vent all vapors outside the vehicle.
News & Media
Democrats want to add an extension of unemployment benefits, which last 26 weeks.
News & Media
How could adding an extension to the end of the wrench help turn a rusted bolt?
In particular, he was helping a young lady to add an extension to her house so that she could have a new bathroom.
News & Media
By James Thurber The New Yorker, January 3 , 1931 P. 19Parody on the changing of the telephone numbers by adding an extension number to the regular number.
News & Media
If you have spent money increasing the value of the property – adding an extension, for example – you could deduct those costs as well.
News & Media
Expert writing Tips
Best practice
In technical contexts, this phrase is effective for indicating the addition of a feature or module to existing software or systems.
Common error
Avoid using "added an extension" when simply 'extended' suffices. "Extended" is more concise when referring to time or scope, whereas "added an extension" is best for physical additions or new functionalities.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "added an extension" functions as a verb phrase, typically used as part of a larger sentence to describe the act of increasing or expanding something. Ludwig AI confirms its correctness and usability in written English.
Frequent in
News & Media
50%
Science
25%
Wiki
25%
Less common in
Formal & Business
0%
Encyclopedias
0%
Academia
0%
Ludwig's WRAP-UP
In summary, "added an extension" is a grammatically correct phrase used to describe the action of expanding something, whether physically, temporally, or functionally. Ludwig AI identifies it as correct. It is most commonly found in news and media, science, and wiki contexts. While relatively rare, it provides a clear and precise way to communicate the idea of augmentation. Alternatives include "included an addition" or "incorporated an add-on", which can be useful depending on the specific context. When choosing to use "added an extension", ensure that it aligns with the intended meaning of a physical expansion or a new functionality being introduced.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
included an addition
This alternative emphasizes the inclusion of something new, rather than specifically an extension.
incorporated an add-on
This implies integrating a new component or feature into something existing.
appended a supplement
This suggests adding something extra at the end, often implying written material.
attached an annex
This is more specific to physical attachments or supplementary documents.
extended the timeframe
This focuses specifically on lengthening a duration, rather than a physical addition.
affixed a wing
This is specific to architectural additions, and not generalizable to other contexts.
increased the duration
Similar to extending the timeframe, this highlights the lengthening of something.
lengthened the period
This focuses on making a time period longer, similar to 'extended the timeframe'.
expanded the scope
This refers to broadening the range or extent of something, rather than a direct physical extension.
provided an increment
This suggests adding a small amount or degree, not necessarily a large or structural extension.
FAQs
How can I use "added an extension" in a sentence?
You can use "added an extension" to describe the physical expansion of a structure, like "The hotel owner "added an extension" to accommodate more guests", or the addition of a feature to a system.
What can I say instead of "added an extension"?
You can use alternatives like "included an addition", "incorporated an add-on", or "affixed a wing" depending on the context.
When is it appropriate to use "added an extension" versus "extended"?
"Added an extension" is suitable when referring to the physical addition of something, while "extended" is better when referring to making something longer in time or scope. Use "The legislature "added an extension" of Route 15" versus "The company extended the deadline".
Is "added an extension" formal or informal?
"Added an extension" is suitable for both formal and informal contexts, though it's more frequently seen in news articles and technical documentation. You can also say ""included an addition"" or ""incorporated an add-on"" to sound more formal.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested