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
a long period
Grammar usage guide and real-world examplesUSAGE SUMMARY
"a long period" is a correct and usable phrase in written English.
It can be used to refer to a time span or duration that is longer than usual or expected. Example: During the pandemic, many people have experienced a long period of isolation and loneliness.
✓ Grammatically correct
News & Media
Science
Alternative expressions(20)
an extended duration
a protracted time
a long time
an extensive timeframe
a considerable span
a lengthy interval
a substantial stretch
an appreciable duration
a laborious period
a lengthy period
a substantial period
a longstanding period
a long vacation
a considerable period
a long term period
a drawn out period
a protracted period
a extended period
a full period
a long month
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
Defiantly over a long period of time.
News & Media
A long period of success followed.
News & Media
A long period of stability encouraged speculation.
News & Media
83, after a long period of illness.
News & Media
After a long period of illness.
News & Media
"Hopefully, it's not a long period.
News & Media
"That took a long period of time.
News & Media
Not now, but for a long period".
News & Media
Change began only after a long period….
News & Media
He's proved himself over a long period.
News & Media
It happens over a long period of time.
News & Media
Expert writing Tips
Best practice
When using "a long period", ensure the context clearly defines what constitutes 'long' to avoid ambiguity. For instance, specify "a long period of economic growth" or "a long period of recovery" to provide more clarity.
Common error
Avoid simply stating "a long period" without providing context or comparison. Instead, quantify or qualify the length to give the reader a better sense of the duration involved. For example, instead of "a long period of silence", consider "a long period of silence, nearly a decade".
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a long period" functions as a noun phrase, typically serving as a subject, object, or complement within a sentence. As Ludwig AI highlights, it describes an extended duration or span of time. Examples show it modifying nouns like "illness", "growth", or "stability".
Frequent in
News & Media
80%
Science
15%
Formal & Business
5%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "a long period" is a versatile and commonly used phrase that effectively describes an extended duration. As Ludwig AI confirms, the phrase is grammatically sound and widely accepted. Its frequent appearance in news, scientific, and formal business contexts underscores its neutrality and broad applicability. When using this phrase, it’s best practice to provide context or qualification to ensure clarity and avoid ambiguity. For alternative phrasing, consider options like "an extended duration" or "a protracted time", depending on the desired nuance.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
an extended duration
Focuses on the duration being extended or prolonged.
a protracted time
Highlights the length and drawn-out nature of the time.
an extensive timeframe
Emphasizes the broad scope of the time being considered.
a considerable span
Suggests a notable and significant length of time.
a lengthy interval
Highlights the space or gap between two points in time.
a prolonged phase
Implies a stage or period that has been stretched out.
a substantial stretch
Focuses on the continuous and unbroken nature of the time.
an appreciable duration
Indicates that the duration is noticeable and significant.
a significant chapter
Emphasizes that the "long period" is part of something bigger, with relevant events inside.
a drawn-out episode
Conveys a sense of tediousness or that something took longer than expected.
FAQs
How can I use "a long period" in a sentence?
You can use "a long period" to describe an extended duration of time, such as "After "a long period of illness", she finally recovered" or "The company experienced "a long period of growth"".
What's a more formal alternative to "a long period"?
For more formal writing, consider using alternatives like "an extended duration" or "a protracted time" to convey the same meaning with a more sophisticated tone.
Is it better to specify the length of "a long period"?
Yes, specifying the length of time whenever possible enhances clarity. Instead of just saying "a long period", consider stating "a period of five years" or "a decade-long period" for better precision.
What's the difference between "a long period" and "a long time"?
"A long period" often implies a structured or defined duration within a specific context, while "a long time" is more general and can refer to an indefinite duration. For example, "a long period of study" suggests a structured study schedule, whereas "a long time" can simply mean 'much later'.
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
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested