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
lengthy interval
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "lengthy interval" is correct and usable in written English.
It can be used to describe a significant amount of time that passes between two events or actions. Example: "There was a lengthy interval between the first and second meetings, which allowed everyone to gather their thoughts."
✓ Grammatically correct
Science
News & Media
Encyclopedias
Alternative expressions(20)
copious time
great of time
generous time allowance
severe time
a variety of time
plenty of time
wide notice
enough time
adequate time
intense scrutiny
greater notice
appropriate time
keen attention
extended period
a big chunk of time out
adequate amount of time
excessive amount of time
a substantial chunk of time
sufficient notice
large notice
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
And there's usually a lengthy interval between diagnosis and denouement.
News & Media
The prime minister would doubtless like a lengthy interval before holding a second referendum, on a Palestinian deal.
News & Media
But for one lengthy interval during the observations, the team spotted emissions from hydrogen (at a wavelength of 121.6 nanometers) in the same region.
Science & Research
However, it has been difficult to demonstrate a clear relationship, given the lengthy interval between stimulus and effect and the great number of additional contributing variables that can obscure downstream effects.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
"The historic concept of departmental questions held at fixed, often lengthy intervals will be antiquated.
News & Media
The only genuine technical downside is that the challenge of turning the entire set round twice necessitates two lengthy intervals.
News & Media
All plants of a species flower at about the same time at lengthy intervals, and then the plants die.
Encyclopedias
One primary element clearly is that of a succession of events, but distinguishable events are separated by more or less lengthy intervals that are called durations.
Encyclopedias
But even stipulating this thematic purpose, the frequent and sometimes lengthy intervals in which Mommo holds forth from her bed with her practiced asides and vocabulary-rich but hard to decipher narrative are tough to tolerate.
News & Media
In the lengthy intervals between supercontinents, continent-sized-and-smaller landmasses drifted individually via plate tectonics, as they do today.
Science & Research
This explains why his meetings with Schermann were clustered, often taking place daily for periods of 7 10 days, with lengthy intervals in-between.
Science
Expert writing Tips
Best practice
Use "lengthy interval" to describe delays, gaps, or breaks in a timeline, especially when the duration is unexpectedly long or impactful.
Common error
Avoid replacing "lengthy interval" with synonyms like "short break" or "brief pause" if the actual duration is substantial. Inaccurate substitutions can mislead your audience.
Source & Trust
81%
Authority and reliability
4.3/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "lengthy interval" functions as a noun phrase where the adjective 'lengthy' modifies the noun 'interval'. It describes a period of time that is notably long. Ludwig AI confirms that the phrase is grammatically correct.
Frequent in
Science
40%
News & Media
35%
Encyclopedias
25%
Less common in
Formal & Business
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "lengthy interval" is a grammatically correct and usable phrase to describe a significant amount of time that passes between two events. Ludwig AI indicates that it’s suitable for various contexts, though more formal alternatives like "extended duration" may be preferred in some settings. The phrase sees common use in scientific and news-related articles, highlighting its broad applicability.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
lengthy delay
Uses a synonym for "interval", focusing on the delaying aspect and its duration.
extended duration
Emphasizes the duration is longer than usual.
prolonged period
Highlights the length of the period, suggesting it's been stretched out.
considerable time span
Focuses on the extent of the time involved.
significant lapse of time
Indicates a notable amount of time has passed.
extended timeframe
Focuses on the temporal frame, emphasizing its expanded duration.
long delay
Highlights the delay, suggesting more time than expected.
protracted gap
Emphasizes that the gap or space in time is extended or drawn out.
substantial break
Focuses on the interruption or pause, indicating it's considerable.
extended pause
Highlights the prolonged nature of the pause or interruption.
FAQs
How can I use "lengthy interval" in a sentence?
You can use "lengthy interval" to describe an extended period between events. For example, "There was a "lengthy interval" between the initial proposal and the final decision."
What are some alternatives to "lengthy interval"?
Alternatives include "extended duration", "prolonged period", or "considerable time span" depending on the context.
Is "lengthy interval" formal or informal?
"Lengthy interval" is suitable for both formal and informal contexts, although more formal settings might benefit from alternatives like "extended duration".
What's the difference between "lengthy interval" and "short interval"?
"Lengthy interval" refers to a significant amount of time, while "short interval" indicates a brief duration. The terms are opposites, used to describe different time spans.
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
81%
Authority and reliability
4.3/5
Expert rating
Real-world application tested