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
closed to each other
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "closed to each other" is correct and usable in written English.
You can use it to indicate a close emotional connection or closeness in proximity between two or more people, objects or places. For example, "The siblings were always closed to each other, no matter the distance between them."
✓ Grammatically correct
Science
News & Media
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
16 human-written examples
The optical mirror field which contains an array of linear plat mirrors closed to each other is designed to eliminate the inter-low shading and blocking.
The number of functional group of spider at four habitat types was differing, but the composition was similar, because all habitats were closed to each other.
In order to enhance the efficiency of the motor, however, the resonance frequencies of both transducers should be closed to each other.
Science
It was tested on a preclinical MRI (OPTImouse, RS2D, Bischwiller, France) and a micro-SPECT/CT (eXplore speCZT Vision 120, GE, Waukesha, USA), closed to each other, thanks to the short extension of the MRI magnet fringe field.
Overall uncertainties obtained using Eurachem/Citac guide (98.2 ± 1.1%), method validation approach (98.2 ± 1.2%) and Monte Carlo simulations (98.2 ± 1.1%) were closed to each other, which indicates that the equations proposed in this work were suitable for measuring uncertainty in routine analysis.
Science
The binding energies and Auger parameters for Cu@Chit nanocomposites are closed to each other (Table 3).
Human-verified similar examples from authoritative sources
Similar Expressions
44 human-written examples
It has to bring people really close to each other.
News & Media
"We're very good at making comedy and tragedy sit really close to each other.
News & Media
They sit very close to each other.
News & Media
They hang uncomfortably close to each other.
News & Media
We're very close to each other.
News & Media
Expert writing Tips
Best practice
When describing abstract concepts or data points, use "closed to each other" to indicate that they are numerically or conceptually similar, rather than physically adjacent. For instance, "The experimental results were surprisingly closed to each other."
Common error
Avoid using "closed to each other" when describing relationships between people if you mean emotionally close. While grammatically correct, it's often more natural to say "close to each other" to convey emotional closeness.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "closed to each other" functions as a descriptive phrase, typically indicating physical proximity or similarity in values or concepts. As confirmed by Ludwig AI, it's grammatically correct and usable. The examples show its use in scientific contexts, showcasing proximity and conceptual similarity.
Frequent in
Science
65%
News & Media
25%
Academia
10%
Less common in
Formal & Business
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "closed to each other" is grammatically sound and primarily serves to describe physical proximity or similarity between non-human subjects. As Ludwig AI confirms, it’s accurate for written English. While "close to each other" more naturally conveys emotional closeness, "closed to each other" finds frequent use in scientific contexts to describe data points or objects. When writing, remember that using "close" instead of "closed" often sounds more natural and common when you want to describe relationship between people. Use "close to each other" instead.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
closely connected
Highlights a strong link or relationship, whether physical or abstract.
near one another
Emphasizes nearness and relative position, similar to being in close proximity.
nearly touching
Highlights extreme closeness, suggesting physical contact is imminent or present.
in close proximity
Focuses specifically on spatial closeness, emphasizing the physical distance between items.
intimately linked
Conveys a deep and essential connection, suggesting a strong degree of influence.
virtually adjacent
Focuses on adjacency, implying a lack of intervening space or separation.
hardly any distance apart
Underlines minimal separation, emphasizing the lack of space.
in tight formation
Describes items arranged in a compact, structured grouping.
strongly resemble each other
Emphasizes similarity and resemblance rather than physical proximity.
converging towards
Describes a movement or trend of coming together, rather than a static closeness.
FAQs
How can I use "closed to each other" in a sentence?
The phrase "closed to each other" is used to describe items or concepts that are in close proximity or are very similar. For example, "The houses were built closed to each other" or "The two scientific theories are closed to each other in their conclusions".
What's the difference between "close to each other" and "closed to each other"?
"Close to each other" typically refers to emotional closeness or physical proximity, whereas "closed to each other" usually refers to physical nearness or similarity in numerical or conceptual values. While "close to each other" is used more often in common language, both are grammatically correct but have slightly different connotations.
Can "closed to each other" refer to emotional relationships?
While grammatically correct, using "closed to each other" to describe emotional relationships can sound unnatural. It's generally better to use "close to each other" to describe a strong emotional bond between people.
What are some alternative ways to express that items are "closed to each other"?
Depending on the context, you can use phrases like "in close proximity", "closely connected", or "virtually adjacent" to convey a similar meaning. For example, if referring to numerical values, consider "strongly resemble each other".
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
4.5/5
Expert rating
Real-world application tested