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 just one
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a just one" is correct and usable in written English.
It can be used to refer to something that is fair or morally right, often in a context discussing justice or fairness. Example: "In a world where inequality persists, we must strive to create a just one for all individuals."
✓ Grammatically correct
News & Media
Science
Alternative expressions(6)
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
42 human-written examples
A: Just one episode for us.
News & Media
Of the videos Orta told me he shot, he posted a just one on his YouTube channel, on July 12 , 2014
News & Media
Nearly all (84%) of the Cochrane reviews on clinical interventions included only RCTs, while a just one quarter of its SRs of community-based interventions did so.
It doesn't even pretend to be a just one.
News & Media
A very inegalitarian society might well be a just one.
News & Media
Schubert is famous as a great melodist and the reputation is a just one.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
18 human-written examples
Your £1,000 would stretch to a just one-third of a single bottle of Chateau Lafite Rothschild 1982 vintage.
News & Media
Overall, try not to think of sex as a just one-act play.
News & Media
Objective data suggests the greater efficiency of a "just-one consultation" system in outpatients.
It gives birth to two pups at a time (rarely just one), one per uterus.
Wiki
Moreover, our study was fundamentally limited by a focus on just one Internet search engine, Google.
Science
Expert writing Tips
Best practice
Consider alternatives like "fair", "equitable", or "righteous" depending on the specific nuance you want to convey.
Common error
Avoid using "a just one" in contexts where the definition of justice is highly subjective or contested. In such cases, it can lead to misinterpretations and weaken your argument.
Source & Trust
84%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a just one" functions as an adjective phrase modifying an implied noun (e.g., decision, cause, society). It describes something as being fair, equitable, or morally right. Ludwig AI confirms its correct usage, supported by numerous examples.
Frequent in
News & Media
63%
Science
22%
Formal & Business
5%
Less common in
Wiki
3%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "a just one" is a versatile expression used to describe something fair, equitable, or morally right. As confirmed by Ludwig AI, its grammatical status is correct, and it frequently appears in news, media, and scientific contexts. While "a just one" is suitable for many situations, alternatives like "a fair one" or "an equitable one" might offer more precision depending on the intended nuance. When using "a just one", consider the potential for subjective interpretation and ensure the context clearly defines what constitutes justice. Common errors include overgeneralizing its application in contested situations.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
a fair one
Replaces "just" with "fair", emphasizing impartiality and equity.
an equitable one
Substitutes "just" with "equitable", stressing equal treatment and opportunity.
a righteous one
Replaces "just" with "righteous", highlighting moral correctness and virtue.
a legitimate one
Emphasizes lawfulness and validity instead of moral correctness.
an appropriate one
Focuses on suitability and fittingness rather than justice.
a proper one
Similar to "appropriate", emphasizing correctness and conformity to standards.
a rightful one
Highlights entitlement and deservedness, shifting the focus slightly from pure justice.
a valid one
Emphasizes the soundness and well-grounded nature of something, rather than its moral dimension.
a reasonable one
Focuses on logic and rationality rather than moral judgment.
a sound one
Highlights the reliability and well-founded nature of something, rather than justice.
FAQs
How can I use "a just one" in a sentence?
You can use "a just one" to describe a decision, outcome, or system that is fair and morally right. For example: "The court's decision was "a just one", reflecting the evidence presented."
What are some alternatives to "a just one"?
Depending on the context, you could use alternatives like "a fair one", "an equitable one", or "a righteous one". Each conveys a slightly different nuance of fairness and morality.
When is it appropriate to use "a just one"?
It's appropriate when referring to something that aligns with principles of fairness, ethical standards, or legal correctness. Be sure the context clearly defines what "justice" means in that situation.
Is "a just one" formal or informal?
"A just one" is suitable for both formal and informal contexts. However, in highly formal or academic writing, consider whether a more precise term like "equitable" or "impartial" might be more appropriate.
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
84%
Authority and reliability
4.1/5
Expert rating
Real-world application tested