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
for a longer duration
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "for a longer duration" is correct and usable in written English.
It can be used when discussing the length of time something lasts or is expected to last. Example: "The event will be held for a longer duration than initially planned due to popular demand."
✓ Grammatically correct
Science
News & Media
Formal & Business
Alternative expressions(15)
for an extended period
for a prolonged time
over an extended timeframe
for a longer period
for a greater length of time
for a considerable period
for a greater duration
for a longer length
for a longer lifespan
for a further duration
for a longer time
for a more sustained period
for an extended duration
for a sustained period
in a sustained manner
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
Mothers on paid leave breastfed their babies for a longer duration.
News & Media
Optimization of sensor node locations is essential to provide communication for a longer duration.
Science
Therefore, a more concentrated EDTA solution for a longer duration often decreased their mobility.
Another small group was given a lower dosage of itraconazole for a longer duration (an average of 10 weeks).
Academia
The smaller particles tend to be more prone to resuspension, and are resuspended for a longer duration than larger particles.
Science
Hens inspected integrated nests for a longer duration than wall-placed nests, but wall-placed nests were visited more frequently.
Nest boxes with flaps were visited less frequently but for a longer duration per visit than nest boxes without flaps.
However, if JNK inactivation persists, endured activated Cdk1 mediates phosphorylation and degradation of Ezh2 via Smurf2 for a longer duration compromising Ezh2 function.
Science & Research
A possible reason for this may be the fall in compliance that is often associated with studies that go on for a longer duration.
Science & Research
C60 thin films are covered with clusters upon continuous electron irradiation for a longer duration, changing the electronic structure of the films.
Science
In addition, it is shown that for a given injection volume, it is more efficient to inject at a lower injection rate and for a longer duration.
Science
Expert writing Tips
Best practice
When comparing durations, use "for a longer duration" to clearly indicate which period is more extended. For example, "The study was conducted for a longer duration than the previous one."
Common error
Be mindful of using redundant language. Phrases like "longer time duration" can be simplified to just "longer duration" for conciseness.
Source & Trust
83%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "for a longer duration" functions as an adverbial phrase, modifying a verb or clause to specify the length of time an action or state continues. It indicates that something lasts or is intended to last for a more extended time than something else. As shown by Ludwig, it is considered a correct and usable english phrase.
Frequent in
Science
75%
News & Media
15%
Formal & Business
10%
Less common in
Wiki
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "for a longer duration" is a grammatically sound and widely used expression for indicating an extended period. Ludwig AI analysis confirms its correctness and prevalence across various writing styles. It's commonly found in scientific and formal contexts, serving the purpose of specifying the length of an action or process in comparison to another. To ensure clarity and conciseness, avoid redundant phrasing. Using alternatives such as "for an extended period" or "over a prolonged time" can add variety to your writing. This phrase is a reliable way to convey the idea of an extended timeframe in your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
for an extended period
This alternative emphasizes the prolonged nature of the time frame.
for a prolonged time
Similar to "extended period", this highlights the protracted nature of the duration.
for a greater length of time
This option is more descriptive and emphasizes the measurable aspect of the duration.
over an extended timeframe
This alternative specifies that the duration is considered within a broader temporal context.
for a more protracted period
This suggests the duration is not only long, but possibly also tedious or complex.
throughout a longer interval
This highlights the space between two points in time.
for an increased duration
This option points to a relative increase in time compared to something else.
for an appreciable time
Implies the duration is noticeable and significant.
for a considerable period
Highlights the duration is substantial and worthy of attention.
for an elongated duration
Emphasizes the stretched or drawn-out nature of the time frame.
FAQs
How can I use "for a longer duration" in a sentence?
You can use "for a longer duration" to describe the extended length of an activity, treatment, or event. For example: "The medication needs to be taken "for a longer duration" to be effective."
What are some alternatives to saying "for a longer duration"?
Alternatives include "for an extended period", "for a prolonged time", or "over an extended timeframe", depending on the specific context.
Is it grammatically correct to say "for a longer duration"?
Yes, "for a longer duration" is grammatically correct and widely accepted in both formal and informal writing.
What is the difference between "for a longer duration" and "for a longer period"?
While both phrases are similar, "for a longer period" is generally more versatile, whereas "for a longer duration" often implies a measured or specific length of time.
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
4.6/5
Expert rating
Real-world application tested