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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
whose sole purpose
Grammar usage guide and real-world examplesUSAGE SUMMARY
"whose sole purpose" is correct and usable in written English.
You can use this phrase when referring to something that does or serves one particular thing or purpose. For example, "The committee, whose sole purpose is to evaluate proposals, will be meeting on Tuesday."
✓ Grammatically correct
News & Media
Academia
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
60 human-written examples
She's a bag of love whose sole purpose is to help others.
News & Media
The laws prevent Microsoft from any practice whose sole purpose is to harm competitors.
News & Media
These people build websites whose sole purpose is to host ads, not real content.
News & Media
"You can't negotiate with someone whose sole purpose in life is to kill Americans".
News & Media
Princess Masako, whose sole purpose is to produce an heir to the throne, is not.
News & Media
You are a "hungry snake" whose sole purpose in life (at least in this game) is to consume frogs.
Academia
For example, there are more than two dozen offices at MIT whose sole purpose is to produce publications.
Tax authorities are increasingly able to declare null and void any transaction whose sole purpose is the avoidance of tax.
News & Media
Those are called lead generators, whose sole purpose is to get the numbers of verified consumers to sell to telemarketers.
News & Media
Just a security buffer, whose sole purpose is to block the way in for bombers and terrorists".
News & Media
Much of this revenue comes from e-commerce businesses, whose sole purpose is to sell goods and services online.
News & Media
Expert writing Tips
Best practice
Use "whose sole purpose" to clearly define the unique or primary function of a subject, avoiding ambiguity.
Common error
Avoid using "whose sole purpose" when multiple purposes exist. "Sole" implies a single, exclusive aim.
Source & Trust
91%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "whose sole purpose" functions as a relative clause, modifying a noun by specifying its unique or exclusive function. It provides essential information about the subject's intended use, as supported by Ludwig examples.
Frequent in
News & Media
67%
Academia
20%
Science
7%
Less common in
Formal & Business
6%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "whose sole purpose" is a grammatically sound and frequently used phrase for specifying the unique or exclusive function of something. As confirmed by Ludwig, it functions as a relative clause and commonly appears in news, academic, and science-related content. The key takeaway is to use this phrase when you want to emphasize that something has one, and only one, purpose. Alternatives such as "with the exclusive aim of" or "intended solely for" can be used to add variety to your writing while maintaining clarity.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
expressly for the purpose of
Adds emphasis with "expressly", highlighting the deliberate nature of the purpose.
whose only function is
This alternative emphasizes functionality over purpose.
with the exclusive aim of
Replaces 'sole purpose' with 'exclusive aim', focusing on intent and exclusivity.
intended solely for
Highlights intention and singular use.
with the single goal of
This alternative specifies 'goal', which is a synonym for purpose but sounds more ambitious.
with the only intention of
This alternative specifies intention, which might imply more deliberation than "purpose".
designed specifically to
Emphasizes the design aspect, suggesting a deliberate creation for a single function.
dedicated exclusively to
This focuses on dedication, implying commitment to a single aim.
that is exclusively used for
Focuses on the act of using and its exclusive nature.
uniquely designed for
Focuses on unique design tailored for a singular task.
FAQs
How to use "whose sole purpose" in a sentence?
You can use "whose sole purpose" to define the main function or objective of something. For example: "The committee, whose sole purpose is to evaluate proposals, will meet next week."
What can I say instead of "whose sole purpose"?
You can use alternatives like "with the exclusive aim of", "dedicated exclusively to", or "intended solely for" depending on the context.
Is it redundant to say "whose only sole purpose"?
Yes, using "only sole" is redundant. The word "sole" already implies that there is only one purpose, so "only" is unnecessary.
What's the difference between "whose main purpose" and "whose sole purpose"?
"Whose main purpose" indicates the primary or most important purpose among potentially multiple purposes. "Whose sole purpose", on the other hand, indicates the only purpose.
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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
91%
Authority and reliability
4.5/5
Expert rating
Real-world application tested