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
for either purpose
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "for either purpose" is correct and usable in written English.
You can use it when discussing two distinct objectives or reasons for an action or decision. Example: "The new policy can be implemented for either purpose: improving efficiency or reducing costs."
✓ Grammatically correct
Science
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
10 human-written examples
"But it's not fit for either purpose.
News & Media
The device is symmetric, so either signal electrode can be used for either purpose.
Science & Research
The present paper shows how the IS-LM model can be used for either purpose.
Academia
He was asked whether he was getting ready for a photo shoot or the opera and he replied that his costume wasn't meant for either purpose.
News & Media
MSP430s have a uniform 16-bit architecture: Both addresses and data are 16 bits wide, which makes it trivial to use any of the general-purpose registers in the CPU for either purpose.
The intergenerational report, until recently billed as a document that would shock voters into accepting deeper spending cuts, is now being used to justify not cutting any more, backed by a taxpayer-funded advertising campaign so meaningless it is fit for either purpose.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
50 human-written examples
The elderly and their young grandchildren would be encouraged to use Skype or Facetime to communicate with each other, eliminating the need for either to travel for that purpose.
News & Media
But, of course, consumer apps used for college communication aren't fit-for-purpose, either.
News & Media
In the US, dispensaries must apply for either a medical or recreational license or both to supply Cannabis for either or both purposes.
Science & Research
He was intrigued by the theater's creation of worlds, based on the human imagination, either for purposes of escaping what's difficult in life or for purposes of confronting difficult truths.
Academia
Local, regional or national Government departments can raise money for any public purpose (either for new projects or programmes or to reinforce existing ones) through sovereign Social Bonds and financial contributions.
News & Media
Expert writing Tips
Best practice
Use "for either purpose" to clearly indicate that a single action or item can fulfill one of two distinct goals or intentions. This clarifies the flexibility or dual functionality of what you're describing.
Common error
Avoid using "for either purpose" when you actually mean that something serves both purposes simultaneously. "Either" implies a choice between two options, whereas "both" indicates that both options are applicable.
Source & Trust
88%
Authority and reliability
4.2/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "for either purpose" functions as an adverbial phrase modifying a verb. It indicates the reason or aim behind an action, specifying that there are two potential purposes, and the action is applicable to at least one of them. As seen in Ludwig AI, its usage is grammatically correct.
Frequent in
Science
40%
News & Media
40%
Academia
20%
Less common in
Formal & Business
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "for either purpose" serves as a useful tool for expressing that something is designed to fulfill one of two possible intentions. While Ludwig AI indicates its grammatical correctness, its frequency is relatively rare. As the examples show, it appears primarily in scientific, news, and academic contexts to clarify intent and demonstrate flexibility. When using this phrase, be mindful of the distinction between "either" and "both" to ensure accuracy. When you actually mean that something serves both purposes simultaneously it's better to use another phrase such as "for both reasons".
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
for either objective
Replaces "purpose" with "objective", a synonym that maintains the same meaning.
for either of these reasons
Highlights the dual nature of the motivating factors.
for either goal
Substitutes "purpose" with "goal", suggesting a desired outcome.
for both reasons
Emphasizes that both purposes are being considered, not just one.
to serve either function
Highlights that it fulfills one of two functions.
to achieve either aim
Focuses on achieving one of two possible aims.
for both intentions
Implies that there are two distinct aims motivating the action.
for each of these intentions
Emphasizes individual intentions.
for each aim
Highlights each individual aim separately.
for both of these ends
Formally suggests the two aims are the desired results.
FAQs
How can I use "for either purpose" in a sentence?
You can use "for either purpose" to indicate that something is suitable for two different uses or goals. For example, "The device can be used "for either purpose": measuring temperature or detecting motion".
What are some alternatives to "for either purpose"?
Alternatives include phrases like "for both reasons", "for either objective", or "to serve either function".
Is it correct to say "for either purposes"?
No, the correct phrase is "for either purpose". The word "purpose" should be singular when used with "either", as it refers to one of two options, not multiple instances of each.
What's the difference between "for either purpose" and "for both purposes"?
"For either purpose" indicates that something is intended for one of two separate goals, whereas "for both purposes" means it's designed to achieve both goals simultaneously. The choice depends on whether there's a selection between the two or if they are meant to be achieved together.
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
88%
Authority and reliability
4.2/5
Expert rating
Real-world application tested