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
longstanding period
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "longstanding period" is correct and usable in written English.
It can be used to describe a duration of time that has been established or has existed for a significant amount of time. Example: "The longstanding period of drought has severely affected the region's agriculture."
✓ Grammatically correct
News & Media
Science
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
1 human-written examples
A few months ago, Crunchbase News reported that a longstanding period of SaaS investment stagnation had come to an end.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
The women articulated how chronic pain became the focus of their lives as longstanding periods of discomfort, numerous medical appointments and examinations and the search for a successful treatment structured and filled their time.
Science
Environmental toxicity is judged to be in a "dark ages" period due to longstanding limitations in the implementation of the simple conceptual model that is the basis of current aquatic toxicity testing protocols.
This ensemble was formed last season to address a longstanding need for a resident period-instrument band in New York, and it has made great strides.
News & Media
The results of the study suggest that experiences during specific childhood and adolescent developmental periods may have longstanding effects on individual differences in human facial preferences.
Science
Many of the new songs had been composed by Welch (and her longstanding writing partner Isa Summers) during a period of late-20s introspection.
News & Media
After all, it wasn't merely boorishness that led Donald Trump to criticize Megyn Kelly by alluding to her period – there's a longstanding myth about women's hormones making them unfit to lead.
News & Media
But Rice's multiple requests to learn the identities of Trump officials discussed in intelligence reports during the transition period does highlight a longstanding concern for civil liberties advocates about U.S. surveillance programs.
News & Media
Up to 10,000 people were held in administrative detention under longstanding emergency law powers in the final period of Mubarak's rule and some of these have now been released (1,659 by the middle of March).
News & Media
Most of the older officers had been policemen in the Weimar period, and because of their longstanding (and often illegal) Nazi credentials had survived a purge after Hitler took power in which two-thirds of their colleagues were removed.
News & Media
On the other hand, the recession and major policy changes, particularly striking in Sweden during this period, may have altered the longstanding pattern of poverty risks in different European countries, especially for groups in vulnerable positions in the labour market, such as those with LLSI and low socioeconomic status.
Science
Expert writing Tips
Best practice
Use "longstanding period" when you want to emphasize that something has been in place or has existed for a considerable duration. For instance, "The company has a longstanding period of dominance in the market."
Common error
Avoid using additional adjectives that reiterate the length or duration already implied by "longstanding". Phrases like "very longstanding period" or "extremely longstanding period" can be redundant.
Source & Trust
88%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "longstanding period" functions as a noun phrase where the adjective "longstanding" modifies the noun "period". It serves to describe a duration of time that has been established or has existed for a significant amount of time. According to Ludwig AI, this phrase is grammatically correct.
Frequent in
News & Media
40%
Science
30%
Formal & Business
10%
Less common in
Wiki
5%
Reference
5%
Encyclopedias
5%
Ludwig's WRAP-UP
In summary, the phrase "longstanding period" is grammatically correct and usable in written English, although it appears less frequently. Ludwig AI confirms its grammatical soundness. It describes a duration of time that has been established or has existed for a considerable duration. Its primary function is to emphasize the extended nature of a time frame, and it is most commonly found in news and scientific contexts. While useful, it's essential to avoid redundancy and consider alternatives like "prolonged duration" or "established era" for varied expression.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
prolonged duration
Emphasizes the extended length of time.
lengthy timeframe
Highlights the considerable duration involved.
extended duration
Similar to prolonged, focusing on the stretched-out nature.
established era
Focuses on the well-established nature of the time.
historical epoch
Suggests a significant and established time in history.
sustained interval
Emphasizes the continuous nature of the duration.
protracted phase
Highlights the drawn-out quality of the period.
enduring span
Focuses on the lasting nature of the time period.
age-old duration
Emphasizes the great age and length of time.
traditional timespan
Suggests a duration characterized by tradition.
FAQs
What does "longstanding period" mean?
A "longstanding period" refers to a duration or era that has existed for a significant amount of time, implying it is well-established or traditional.
How can I use "longstanding period" in a sentence?
You can use "longstanding period" to describe a time frame during which something has been in effect or has been occurring. For example, "The region experienced a "prolonged drought"".
What are some alternatives to "longstanding period"?
Alternatives to "longstanding period" include "extended duration", "lengthy timeframe", or "established era", depending on the specific nuance you wish to convey.
Is there a difference between "longstanding period" and "long period"?
"Longstanding period" implies that the duration is not only long but also well-established or traditional, whereas "long period" simply refers to an extended amount of time without necessarily implying it's well-established.
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
4.1/5
Expert rating
Real-world application tested