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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
are each other
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "are each other" is correct and usable in written English.
It is typically used to indicate a mutual relationship or action between two or more subjects. Example: "The two friends always support and encourage each other in their endeavors."
✓ Grammatically correct
News & Media
Science
Alternative expressions(15)
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
17 human-written examples
London and its hinterland need each other: given the ebb and flow of people from one to another over a lifetime, often we are each other.
News & Media
They are each other's best friends.
News & Media
We are each other's homeland.
News & Media
They are each other's alibi.
News & Media
We are there are each other.
News & Media
Good hoods and bad hoods not only touch each other but sometimes are each other.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
42 human-written examples
We are each others' everything".
News & Media
All we had was each other.
News & Media
Yet their greatest threat is each other.
News & Media
"Sometimes we're each other's therapists".
News & Media
What they do have is each other.
News & Media
Expert writing Tips
Best practice
When using "are each other", ensure the context clearly establishes the mutual relationship or action between the subjects. Avoid ambiguity by explicitly defining the nature of their connection.
Common error
Avoid using "are each other" when the relationship isn't truly mutual or reciprocal. For example, don't say "They are each other's boss" if only one person is actually the boss.
Source & Trust
84%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "are each other" functions as a relational expression, indicating a mutual or reciprocal connection between two or more entities. Ludwig examples show its use in describing relationships like friendship, interdependence, or shared roles.
Frequent in
News & Media
64%
Science
21%
Wiki
7%
Less common in
Formal & Business
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "are each other" is a common and grammatically correct way to express a mutual or reciprocal relationship between two or more entities. As Ludwig AI indicates, this phrase effectively communicates shared roles, connections, or dependencies. It appears most frequently in news and media sources, signifying its broad applicability. When using "are each other", it's crucial to ensure the context clearly establishes a mutual connection to avoid ambiguity and maintain clarity in writing. Related phrases such as "rely on one another" or "share a bond" can be used as alternatives, depending on the specific nuance you aim to convey.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
mutually support each other
Replaces the simple 'are' with a more active verb 'support' emphasizing the action of providing assistance.
rely on one another
Stresses the dependence and trust individuals have in each other.
have a reciprocal relationship
Uses more formal language to describe the mutual exchange.
interdependent on each other
Highlights the reliance each party has on the other.
share a bond
Focuses on the connection between individuals rather than specific actions.
connected to one another
Emphasizes the interconnectedness of individuals in a group.
linked together
Focuses on the state of being joined or connected.
in each other's debt
Implies a mutual obligation or gratitude between parties.
have an intertwined fate
Suggests that the destinies of the individuals are closely linked.
partnered with each other
Highlights a formal or informal partnership.
FAQs
How can I use "are each other" in a sentence?
The phrase "are each other" signifies a reciprocal relationship. For instance, "The siblings are each other's best friends" demonstrates a mutual friendship.
What's a good alternative to "are each other"?
Depending on the context, you could use phrases like "rely on one another", "have a reciprocal relationship", or "share a bond".
Is it correct to say "are each other"?
Yes, "are each other" is grammatically correct when indicating a mutual or reciprocal relationship between two or more entities. Ludwig confirms the correctness of this phrase.
What's the difference between "are each other" and "are one another"?
Both "are each other" and "are one another" indicate reciprocity. "Each other" is typically used when referring to two entities, while "one another" is used for more than two, although this distinction is not always strictly followed.
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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
4.1/5
Expert rating
Real-world application tested