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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
for what purpose
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase 'for what purpose' is correct and usable in written English.
You can use it when you are asking what the objective or intent of an action is. For example, "I saw you talking to him, for what purpose?".
✓ Grammatically correct
News & Media
Academia
Formal & Business
Alternative expressions(20)
with what intention
to what end
what is the reason for
what is the aim
what's the rationale
why do you ask
on what grounds
what motivates this
what's the point
for what order
for what connection
for what aim
for what need
for what price
for what return
for what duration
for what crime
for what someone
for what end
for what benefit
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
And for what purpose?
News & Media
Q: For what purpose?
News & Media
Why — for what purpose?
News & Media
"For what purpose?" the prosecutor asked.
News & Media
For what purpose did he pry?
News & Media
Who romanced whom and for what purpose?
News & Media
For what purpose?" Mr. Gingrey asked.
News & Media
"For what purpose?" he said.
News & Media
If so, for what purpose?
DR. EXNER: For what purpose?
Academia
For what purpose are they being used?
News & Media
Expert writing Tips
Best practice
When using "for what purpose", ensure the context clearly indicates the action or decision you are questioning. This prevents ambiguity and makes your inquiry more direct and impactful.
Common error
Avoid using "for what purpose" when a simpler 'why' suffices. Overusing the phrase can make your writing sound overly formal or even accusatory, especially in casual contexts.
Source & Trust
89%
Authority and reliability
4.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "for what purpose" functions as an interrogative adverbial phrase. It modifies a verb or clause to inquire about the reason or aim behind an action. Ludwig AI affirms its correct usage in asking about objectives.
Frequent in
News & Media
35%
Academia
30%
Formal & Business
20%
Less common in
Science
10%
Reference
3%
Encyclopedias
2%
Ludwig's WRAP-UP
In summary, "for what purpose" is a grammatically sound and frequently used phrase to inquire about the intent or goal behind an action. As Ludwig AI confirms, it is widely accepted and serves to seek clarification or justification. While it is commonly found in neutral to formal contexts like News & Media and Academia, it may be perceived as overly formal in casual conversations. Remember to use it when you specifically want to understand the objective or aim, rather than simply asking 'why'.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
with what intention
Focuses on the mental state or aim behind an action, rather than the broader purpose.
to what end
Emphasizes the final result or goal that is being pursued.
what is the reason for
Directly asks for the cause or justification behind something.
what's the objective
Highlights the specific target or outcome that is desired.
what is the aim
Similar to objective, but can also refer to a broader, less defined goal.
what's the rationale
Seeks a logical explanation or set of reasons.
why do you ask
Shifts the focus to the question itself, implying a need for justification.
on what grounds
Asks for the basis or justification for a decision or action.
what motivates this
Explores the underlying drives or incentives behind an action.
what's the point
Challenges the value or relevance of something.
FAQs
How can I use "for what purpose" in a sentence?
Use "for what purpose" to inquire about the reason or intention behind an action. For instance, "The funds were allocated, but "for what purpose"?"
What is a more informal way to ask "for what purpose"?
In informal settings, you could ask "why?" or "what for?" which are shorter and more direct alternatives.
Which is more appropriate, "for what purpose" or "why"?
"For what purpose" is more formal and emphasizes the intent behind an action, while "why" is a more general inquiry about the reason.
What's the difference between "for what reason" and "for what purpose"?
"For what reason" seeks the cause or explanation, while ""for what purpose"" focuses on the intended outcome or goal.
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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
89%
Authority and reliability
4.8/5
Expert rating
Real-world application tested