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
just one purpose
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "just one purpose" is correct and usable in written English.
You can use it when emphasizing a singular goal or intention behind an action or object. Example: "This tool is designed with just one purpose: to simplify your workflow."
✓ Grammatically correct
News & Media
Science
Formal & Business
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
11 human-written examples
"Pornography has just one purpose, which is to arouse you.
News & Media
"Pornography has just one purpose, which is to arouse you," Skarsgård told me recently.
News & Media
Belonging to the evil Dr Leiter, she has expressionless features, pretty lips and needle-like teeth, and serves just one purpose.
News & Media
My name is NYT 4th Down Bot, and I exist for just one purpose: to encourage smarter thinking about N.F.L. fourth downs.
News & Media
For just one purpose: KIDNEY STONES.
News & Media
I was devastated and broken apart -- all of this intense, focused effort had been for just one purpose: to save her life.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
49 human-written examples
They have just one purpose--to educate our children.
News & Media
That show will probably use blockchain technology for just one specific purpose: recording that a share transaction has occurred, without divulging the identities of the buyer and seller, the amounts sold, or even the price of the shares.
News & Media
"Must a cup, or bag," asks the packaging line's website, "suffer an existence that is limited to just one humble purpose?" Safran Foer is a vegetarian, but he has described Chipotle's business as a "model of what scaling good practices might look like".
News & Media
Indeed there has always been a pragmatic liberal view in this country in favour of identity cards which argues that we already carry so many bits of plastic that we might as well have just one multi-purpose card, permitting travel on a bus, taking money out or getting into the office.
News & Media
"Don't stick with just one relationship for one purpose, because people do leave and all of a sudden, your contact is in charge of databases in Afghanistan and they can't help you," Karen Kilroy, founder and CEO of Kilroy Blockchain, which works with companies around the world to develop artificial intelligence and blockchain solutions.
News & Media
Expert writing Tips
Best practice
When using "just one purpose", ensure that the context clearly supports the exclusivity of the stated purpose. Avoid using it in situations where multiple purposes are implied or evident.
Common error
Avoid using "just one purpose" when describing something that inherently serves multiple functions or goals. This can lead to misrepresentation and weaken your argument.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "just one purpose" functions as a qualifier, emphasizing the singularity of intent or function. As Ludwig highlights, it underscores that something is designed or intended for a specific, singular reason. Examples from the search data show it being used to describe the intent behind actions, designs, or even abstract concepts.
Frequent in
News & Media
40%
Science
30%
Formal & Business
15%
Less common in
Wiki
5%
Encyclopedias
5%
Reference
5%
Ludwig's WRAP-UP
In summary, the phrase "just one purpose" is a grammatically correct and usable expression employed to emphasize the singularity of an intention or function. According to Ludwig, it is suitable for a variety of contexts, though more commonly found in news, scientific, and business domains. The analysis suggests that while the phrase itself is neutral in register, its effectiveness lies in its ability to clarify and focus the intent behind a subject, countering any assumptions of multiple motives. When using "just one purpose", ensure the context clearly supports the exclusivity of the purpose to prevent misinterpretations.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
sole intention
Focuses on the singleness of the intent behind an action, shifting from 'purpose' to 'intention'.
single objective
Replaces 'purpose' with 'objective', highlighting the specific goal to be achieved.
unique goal
Emphasizes the singularity and distinctiveness of the goal.
only aim
Uses "aim" instead of "purpose" and "only" to emphasize the lack of additional intentions.
primary function
Highlights the main role or duty something is designed for, instead of intention.
principal reason
Focuses on the main cause or justification behind an action, using 'reason' instead of 'purpose'.
one and only goal
Adds emphasis to the uniqueness and singularity of the goal.
specific intent
Highlights the clearly defined nature of the intention.
particular objective
Focuses on the specified nature of the objective.
central design
Implies the main goal was incorporated during the conceptualization of something.
FAQs
How can I use "just one purpose" in a sentence?
You can use "just one purpose" to emphasize the singular goal or intention behind something. For example, "This tool has "sole intention": to simplify your workflow."
What phrases are similar to "just one purpose"?
Alternatives include "single objective", "unique goal", or "only aim", depending on the specific nuance you want to convey.
Is it incorrect to use "just one purpose" if there are secondary benefits?
Not necessarily, as long as the primary and intended function aligns with the "just one purpose" statement. Secondary benefits do not negate the main intention.
What's the difference between "just one purpose" and "main reason"?
"Just one purpose" emphasizes the intended function or goal, while "main reason" focuses on the primary cause or justification for something. The choice depends on whether you're highlighting intent or cause.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested