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
perpetual requirement
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "perpetual requirement" is correct and usable in written English.
It can be used to describe a need or obligation that is ongoing and never-ending. Example: "The company has a perpetual requirement for compliance with safety regulations to ensure the well-being of its employees."
✓ Grammatically correct
Science
News & Media
Alternative expressions(3)
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
Gaining new knowledge and skills is a perpetual requirement.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
Given these challenges and the perpetual commercial requirement to make progress quickly, the RITE method is a natural choice.
It requires perpetual reappraisal and, if necessary, modifications.
Science
What will likely be absent in the debate, however, is any consideration of the relationship of debt to the requirement for perpetual economic growth and its role in the dramatic increase in economic inequality in the United States and the rest of the world.
News & Media
She had to find the humanly tolerable depiction of death that would allow prolonged contemplation of all physical demise, laced as it is with the undeniable and awful requirements of perpetual renewal.
News & Media
In the commission's language, "current holdings exceed growth requirements and represents significant perpetual non-tax revenue generating opportunities".
News & Media
This contrasts, for example, with the requirement imposed by the claim that perpetual lateness at work is likely to result in one losing one's job: I can release myself from the requirement imposed by this claim by citing my desire to lose my job (perhaps because I find it unfulfilling, or whatever).
Science
Data Warehouse evolution is a critical problem in present scenario due to perpetual transactions and change in their structure arising out of continual evolving users' requirements.
Science
Louisiana and Illinois were perpetual leaders.
News & Media
Perpetual Groove, jamband.
News & Media
Nothing is truly perpetual.
News & Media
Expert writing Tips
Best practice
When using the phrase "perpetual requirement", ensure the context clearly indicates that the need or obligation is truly ongoing and without foreseeable end. Avoid using it for temporary or short-term requirements.
Common error
Avoid using "perpetual requirement" when a "long-term requirement" or "recurring requirement" would be more accurate. The term implies a sense of unending duration that may not always be justified.
Source & Trust
89%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "perpetual requirement" functions as a noun phrase, typically serving as a subject complement or object. It describes a condition or state of needing something continuously or indefinitely. Ludwig AI confirms its grammatical correctness.
Frequent in
Science
33%
News & Media
33%
Formal & Business
34%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "perpetual requirement" signifies an ongoing and never-ending need or obligation. Ludwig AI confirms that it is grammatically correct. While not a very common phrase, it is suitable for formal and professional contexts, and commonly appear in "Science" and "News & Media" contexts. Alternative phrases include "ongoing need" and "constant demand". When employing "perpetual requirement", make sure the context warrants the implication of unending duration. Avoid overstating its permanence if a simpler, less absolute term would suffice.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
perpetual obligation
Simply replaces requirement with a direct synonym; less nuance.
ongoing need
Focuses on the continuous aspect of the requirement, emphasizing that it never stops.
unending need
Focuses on the fact that the need continues indefinitely.
constant demand
Highlights the insistent nature of the requirement.
continuous obligation
Emphasizes the binding nature of the requirement and its unending duration.
permanent demand
Highlights the unchanging and lasting aspect of the need.
never-ending necessity
Stresses the essential and unending nature of the requirement.
sustained necessity
Emphasizes the prolonged and essential aspect.
everlasting prerequisite
Highlights the enduring aspect and the fact that it's a precondition.
unrelenting pressure
Shifts focus to the demanding nature of the ongoing need.
FAQs
How can I use "perpetual requirement" in a sentence?
You can use "perpetual requirement" to describe something that is always needed or necessary. For example, "Gaining new knowledge and skills is a "perpetual requirement" in the field of nursing."
What's a good synonym for "perpetual requirement"?
Alternatives include "ongoing need", "constant demand", or "continuous obligation".
Is "perpetual requirement" formal or informal?
"Perpetual requirement" is suitable for formal and professional contexts due to its precise and somewhat technical tone. For more casual situations, simpler terms like "constant need" might be preferable.
What is the difference between "perpetual requirement" and "periodic requirement"?
"Perpetual requirement" means a need that exists continuously, while "periodic requirement" refers to a need that arises at intervals or specific times. They differ in their temporal implications.
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
89%
Authority and reliability
4.1/5
Expert rating
Real-world application tested