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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
in either
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "in either" is correct and usable in written English.
It is typically used in contexts where two options or alternatives are being discussed, often in conjunction with "of" or "case." Example: "You can choose to participate in either of the two workshops offered this weekend."
✓ Grammatically correct
News & Media
Encyclopedias
Science
Wiki
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
Any surprises in either lineup?
News & Media
Not true in either case.
News & Media
In either case he loses.
Encyclopedias
(In either case, sofa time).
News & Media
In either case, it's attention.
News & Media
No people were injured in either incident.
News & Media
In either case, their days seemed endless.
News & Media
In either case levelness is important.
Encyclopedias
In either case, it frightened Jewel.
News & Media
He is not involved in either trust.
News & Media
You can err in either direction.
News & Media
Expert writing Tips
Best practice
When using "in either", ensure that the sentence clearly presents two distinct possibilities or options. This helps maintain clarity and avoids ambiguity for the reader.
Common error
Avoid using "in either" when more than two options are present, as it implies a choice between only two alternatives. For multiple options, consider using "in any" or rephrasing the sentence for clarity.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "in either" primarily functions as a prepositional phrase that introduces a condition or circumstance where one of two options applies. As Ludwig AI suggests, this phrase is often used to present alternatives or possibilities, indicating that the statement holds true for both.
Frequent in
News & Media
52%
Encyclopedias
15%
Wiki
15%
Less common in
Science
13%
Formal & Business
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "in either" is a versatile prepositional phrase used to indicate that a statement applies to one of two presented options or possibilities. As confirmed by Ludwig AI, it is grammatically sound and commonly used across various contexts, particularly in news, encyclopedias, and science. When writing, ensure clarity by presenting two distinct options and avoid using it when more than two options exist. Alternatives such as "in each case" or "under either circumstance" can provide nuanced variations in meaning. With its neutral register, "in either" is suitable for diverse writing styles, making it a reliable choice for expressing alternatives.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
in each case
Replaces "either" with "each", emphasizing individual scenarios within a set.
in both instances
Substitutes "either" with "both instances", highlighting specific occurrences.
under either circumstance
Uses "under either circumstance" to specify conditions leading to a result.
irrespective of either option
Indicates that the outcome remains the same regardless of the choice made.
regardless of the alternative
Focuses on the lack of difference between two options.
for both possibilities
Highlights the consideration of two distinct possibilities.
concerning either selection
Emphasizes the relevance of something to a particular choice.
in the event of either one
Specifies that a certain outcome is possible given two potential scenarios.
with respect to either choice
Highlights the relevance or impact of a decision on a specific subject.
considering both scenarios
Suggests an evaluation of two different situations to determine a course of action.
FAQs
How to use "in either" in a sentence?
Use "in either" to introduce one of two possibilities or alternatives. For example, "You can contact me "in either case" by phone or email."
What can I say instead of "in either"?
Alternatives include "in each", "in both", or "under either circumstance", depending on the specific context and nuance you want to convey.
Which is correct, "in either case" or "in either cases"?
"In either case" is correct. The word "case" should be singular when used with "either" because it refers to one of two possibilities considered individually.
What's the difference between "in either" and "in any"?
"In either" is used when referring to one of two options, while "in any" is used when referring to one or more options from a group of three or more.
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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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested