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 lengthened
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "is lengthened" is correct and usable in written English.
It can be used when describing a process or action where something is made longer in duration or physical length. Example: "The duration of the meeting is lengthened to accommodate all participants."
✓ Grammatically correct
Science
News & Media
Encyclopedias
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
Furthermore, the monitoring lifetime is lengthened.
Science
In birds the fingers are reduced and the forearm is lengthened.
Encyclopedias
The period of the oscillations and their amplitudes increase as the residence time is lengthened.
Science
Research shows that the recovery period for a concussion is lengthened with each successive concussion.
News & Media
The amount of time migrants have to wait before claiming benefits is lengthened to three months.
News & Media
The vessel is lengthened following 3 expansion/relaxation cycle of Foley catheter.
She's detained for only a day, but her protests are so militant that her stay is lengthened to a week.
News & Media
Poets die older now than they once did, and their concluding phase is lengthened by machinery and drugs.
News & Media
This flexibility, says Jackson, means the building's life span is lengthened, because it can adjust to changing needs or technologies.
News & Media
Curcumin-treated, iron-starved cultures are enriched in unbudded cells, suggesting that the G(1) phase of the cell cycle is lengthened.
Academia
This is better for an electric car's battery too, as its lifespan is lengthened by regular top-ups, rather than deep cycling.
News & Media
Expert writing Tips
Best practice
Use "is lengthened" when you specifically want to emphasize that something is made longer, either physically or in duration. Ensure the context aligns with this specific meaning.
Common error
Avoid using "is lengthened" when a more general term like "is increased" or "is extended" would be more appropriate. Overusing "is lengthened" can make your writing sound awkward or unnatural if the specific nuance of length isn't crucial to the meaning.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is lengthened" primarily functions as a passive verb phrase, indicating that the subject undergoes an action that increases its physical length or duration. Ludwig's examples confirm its consistent use in various contexts where extension is the key process.
Frequent in
Science
52%
News & Media
38%
Encyclopedias
4%
Less common in
Wiki
4%
Academia
2%
Formal & Business
0%
Ludwig's WRAP-UP
In summary, the phrase "is lengthened" functions as a passive verb phrase, primarily used to describe the action of extending something in physical length or duration. Ludwig AI confirms its correct grammatical standing and common usage across a range of contexts. While suitable for both formal and informal writing, it is most frequently encountered in scientific and news-related content. When employing "is lengthened", ensure that the context specifically warrants the implication of making something longer, and avoid overuse in situations where a more general term like "is extended" would suffice. Consider alternatives like "is prolonged" or "is elongated" based on the specific nuance you wish to convey.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
is extended
Implies making something longer, either in space or time, but can also suggest broader coverage.
is prolonged
Specifically refers to extending the duration of something.
is elongated
Emphasizes the act of making something longer and thinner.
is stretched
Suggests extending something to its limit or beyond, often implying tension or strain.
is expanded
Refers to increasing the size or scope of something.
is increased
Indicates a general rise in quantity, size, or degree, not necessarily length.
is augmented
Implies adding to something to enhance or improve it.
is amplified
Suggests an increase in magnitude or intensity.
is heightened
Indicates making something higher or more intense.
is maximized
Implies increasing something to its greatest possible extent.
FAQs
How can I use "is lengthened" in a sentence?
The phrase "is lengthened" is used to describe the action of making something longer, either in physical length or duration. For example, "The rope "is lengthened" to reach the other side" or "The meeting "is lengthened" to accommodate all speakers".
What are some alternatives to "is lengthened"?
Alternatives include "is extended", "is prolonged", "is elongated", or "is stretched", depending on the specific context and the type of length being referred to.
When is it appropriate to use "is lengthened" versus "is extended"?
"Is lengthened" specifically implies making something longer, either in physical distance or duration. "Is extended" is broader and can also imply expanding the scope or coverage of something. Use "is lengthened" when the focus is specifically on the increase in length.
Is "is lengthened" formal or informal?
"Is lengthened" is considered a neutral phrase suitable for both formal and informal contexts. Its appropriateness depends more on the surrounding vocabulary and the overall tone of the writing.
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