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 unique requirement
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a unique requirement" is correct and usable in written English.
It can be used when referring to a specific condition or need that is distinct and not shared with others. Example: "The project has a unique requirement that sets it apart from similar initiatives."
✓ Grammatically correct
Science
News & Media
Formal & Business
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
15 human-written examples
A unique requirement of underwater vehicles' power/energy systems is that they remain neutrally buoyant over the course of a mission.
Science
At my school, The Soulsville Charter School in Memphis, we've come up with a unique requirement that fights that summer brain drain and builds rather than breaks down enthusiasm.
News & Media
However, each cell source may have a unique requirement for the specific factors that induce reprogramming.
Science
"We know that tumor cells have a unique requirement for fat," he says.
Using classical knockout studies, we identified a unique requirement for Sall1 expression in dorsal cortical PCs.
It has a unique requirement for ferric iron containing compounds (1 ), from which it acquired its name (i.e., haemophilum).
Science
Human-verified similar examples from authoritative sources
Similar Expressions
45 human-written examples
The formation of the GPI-anchor in the endoplasmic reticulum may involve glycosyl transferases that have a special or unique requirement for Mn as a cofactor [ 18, 19].
This unique requirement, at such a late stage in history, has made the palace at Monaco one of the most unusual in Europe.
Wiki
At 30 and 60 dpf, however, hoxb4a activity was found mainly in the caudal part of the olive that projects to the valvula (Fig. 6E H), which suggests a unique transcriptional requirement for this particular precerebellar circuit.
Science
But they took advantage of these differences to conduct a type of meta-analysis and to derive requirement bands, instead of one unique requirement figure [ 47].
Science
That's in reference to Hassle's pitch, which includes an ability to recruit a regular cleaner, give cleaners specific instructions and tailor a clean to a customer's unique requirements.
News & Media
Expert writing Tips
Best practice
When using "a unique requirement", ensure that the requirement truly stands out and is not just slightly different but fundamentally distinct from others. Back up this claim with specific details.
Common error
Avoid labeling a requirement as "a unique requirement" if it merely has minor differences from standard practices. Ensure that the requirement is truly exceptional and not just a slight variation.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a unique requirement" functions as a noun phrase, where "unique" modifies the noun "requirement". It serves to specify a particular condition or need that is not common or generally applicable. Ludwig confirms its correctness and usability.
Frequent in
Science
60%
News & Media
23%
Formal & Business
17%
Less common in
Ludwig's WRAP-UP
In summary, the phrase "a unique requirement" is a grammatically sound and relatively common way to express that a specific condition or need is distinct and exceptional. Ludwig AI confirms its usability in written English. It is prevalent in scientific, news, and formal business contexts. When employing this phrase, it's important to ensure the requirement truly warrants the label of "unique" and is not merely a minor deviation from standard practices. Be mindful of avoiding overstatement and provide sufficient details to substantiate the claim of uniqueness. Using alternative phrases like "a distinctive need" or "a specific necessity" can offer nuanced variations in emphasis.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
a distinctive need
Emphasizes the distinctiveness of the need rather than its requirement status.
a specific necessity
Highlights the particularity and essential nature of the need.
an exclusive prerequisite
Focuses on the prerequisite aspect while emphasizing its exclusivity.
a particular demand
Stresses the demand aspect and its focused nature.
a singular condition
Emphasizes the uniqueness and the conditional nature of the item.
an unparalleled necessity
Highlights the unmatched and essential character of the need.
a specialized need
Focuses on the specialized nature of the requirement.
a bespoke condition
Emphasizes the customized and tailored nature of the requirement.
a rare imperative
Highlights the infrequency and essential nature of the need.
an exceptional necessity
Stresses the exceptional and essential nature of the need.
FAQs
How can I use "a unique requirement" in a sentence?
You can use "a unique requirement" to describe a specific condition or need that is distinct and not generally applicable. For example, "This project has "a unique requirement" because it needs specialized software."
What are some alternatives to "a unique requirement"?
Alternatives include "a distinctive need", "a specific necessity", or "an exclusive prerequisite", depending on the context.
When is it appropriate to use "a unique requirement"?
Use "a unique requirement" when you want to emphasize that a particular condition or need is not commonly encountered and requires special consideration or handling.
Is there a difference between "a unique requirement" and "a special requirement"?
"A unique requirement" implies that the condition is one-of-a-kind, while "a special requirement" suggests it is unusual or uncommon, but not necessarily singular. Therefore, "a unique requirement" is a stronger statement.
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
4.5/5
Expert rating
Real-world application tested