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
either allows
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "either allows" is correct and usable in written English.
It can be used when presenting two options or possibilities that permit or enable something to happen. Example: "The new policy either allows employees to work from home or requires them to come into the office."
✓ Grammatically correct
Science
News & Media
Alternative expressions(4)
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
Each one either allows the electron to pass or stops it in its tracks.
News & Media
Unless the government either allows defaults and failures, or arrests some bankers, how can it force the banks to improve their risk and liquidity management and really start channeling financing to more productive parts of the economy?
News & Media
And third, it either allows or compels schools to provide all the resources they have available.
News & Media
Instead of attempting to interpret and modify a rule, like FlowVisor, FSFW either allows a rule to pass or rejects it, sending an error to the controller.
It can be interpreted as the southern surface being younger than the rest of the asteroid, or made of a material which either allows the formation of deeper features or prevents their erosion.
Science
It either allows you to embrace an amor fati attitude, or it reveals us to the fragility of life and awakens our perspective to the broad horizon of suffering.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
50 human-written examples
It's either allowing these trends to worsen, or reversing them.
News & Media
The rest either allow prisoners full voting rights or restrict the franchise only partially.
News & Media
Red Sox starter John Lackey was not dominant, either, allowing three runs in six innings.
News & Media
"We either allow collapse to overtake us or develop a new sustainable economic model.
News & Media
They can either allow the former Yugoslav strongman to overhaul his defense schedule or risk accusations of an unfair trial.
News & Media
Expert writing Tips
Best practice
When using "either allows", ensure the sentence structure clearly presents two distinct and mutually exclusive possibilities. Clarity in contrasting the two options is essential for effective communication.
Common error
Avoid using "either allows" with options that aren't grammatically parallel. For example, "either allows access or is blocking the entrance" is incorrect. Instead, use "either allows access or blocks the entrance" for parallelism.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "either allows" functions as a correlative conjunction, introducing one of two possibilities or alternatives. It sets up a conditional choice, where one option leads to permission or enablement. Ludwig AI indicates the phrase is grammatically correct.
Frequent in
Science
50%
News & Media
40%
Wiki
10%
Less common in
Formal & Business
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "either allows" functions as a correlative conjunction that introduces a choice between two possibilities, with one option granting permission or enabling a specific action. As Ludwig AI confirms, the phrase is grammatically correct and versatile, making it suitable for both formal and informal contexts. While primarily used in Science and News & Media, it's important to maintain parallel structure in the sentence to avoid grammatical errors. By understanding its function and purpose, writers can effectively use "either allows" to convey clear and concise choices.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
alternatively permits
Replaces "either" with "alternatively", suggesting another choice.
or it may permit
Breaks the phrase into two clauses for emphasis.
instead grants permission
Emphasizes the act of granting permission as the alternative.
on the other hand enables
Uses a contrasting phrase to introduce the alternative.
as an alternative, it authorizes
More formal and emphasizes the power to permit.
or it could authorize
Suggests possibility and emphasizes authorization.
conversely, sanctions
Introduces a contrasting and more formal term for 'allows'.
by contrast, facilitates
Highlights the facilitation aspect as a contrasting option.
instead, gives leave to
Emphasizes the granting of leave or permission.
alternatively, it licenses
More specific, suggesting formal approval.
FAQs
How can I use "either allows" in a sentence?
Use "either allows" to present two choices, where one of them permits a specific action or state. For example, "The software either allows the user to save the file, or it prompts them to create an account".
What phrases are similar to "either allows"?
Alternatives include "alternatively permits", "or it may permit", or "instead grants permission", depending on the specific nuance you wish to convey.
Is it better to use "either allows" or "either permits"?
"Either allows" and "either permits" are largely interchangeable. "Permits" is slightly more formal, while "allows" is more common in everyday language. The choice depends on the context and desired tone.
What's the difference between "either allows" and "both allow"?
"Either allows" presents two separate possibilities, while "both allow" indicates that two options commonly permit something together, rather than as alternatives.
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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested