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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
one of theirs
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "one of theirs" is correct and usable in written English.
It can be used to refer to something that belongs to a group of people being discussed, indicating possession. Example: "I found a book on the table, and I believe it's one of theirs."
✓ Grammatically correct
News & Media
Academia
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
59 human-written examples
She's not really one of theirs, their attitude says, and the secrets of her birth are too awful to be told.
News & Media
No, but they might have at least put the spotlight on one of theirs, instead of playing defense against all the Republican issues.
News & Media
But at least nine families here, in the strip of towns along the Kentucky-Tennessee border, learned on Sunday that it had been one of theirs.
News & Media
It's a lovely hotel with amazing views and the owner looks very favourably on cyclists, whether you take your own bike or hire one of theirs.
News & Media
He turns to a couple of relatives, who get inhalers through their own insurance for asthma or bronchitis, to give him one of theirs.
News & Media
Al-Araibi was one of theirs.
News & Media
But I quite fancy one of theirs …".
News & Media
But a powerful Bahraini was also one of theirs.
News & Media
He's one of theirs -- you know, a Texan.
News & Media
But, Ms. Forde said, "it's often one of theirs".
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
1 human-written examples
I've dealt with black people who've been just as unhappy I've taken one of 'theirs' away as I have white people who don't get it or are offended".
News & Media
Expert writing Tips
Best practice
When using "one of theirs", ensure the context clearly identifies the group you're referring to. Avoid ambiguity by explicitly mentioning the group beforehand.
Common error
Avoid using "one of theirs" if the group it refers to is not clearly established in the text. This can lead to confusion and require the reader to guess the intended reference.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "one of theirs" functions as a possessive pronoun phrase. It refers to something belonging to or associated with a particular group of people. As Ludwig confirms, it is a standard and acceptable construction in English.
Frequent in
News & Media
53%
Academia
13%
Wiki
9%
Less common in
Formal & Business
5%
Science
5%
Reference
0%
Ludwig's WRAP-UP
The phrase "one of theirs" is a common and grammatically sound way to indicate that something belongs to or is associated with a particular group, as affirmed by Ludwig. It's frequently found in "News & Media", "Academia", and Wiki contexts. When using the phrase, ensure the group being referenced is clear to avoid ambiguity. Alternatives like "one of their own" or "belonging to them" can provide subtle differences in emphasis. As Ludwig points out, this phrase is quite versatile, but clarity in its usage is key to effective communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
one of their own
Emphasizes that the person or thing belongs to the group being discussed, highlighting a sense of shared identity.
one that is theirs
Emphasizes the ownership or belonging.
a member of their group
Directly states the belonging to a specific group.
belonging to them
Focuses on the possession aspect, indicating something is owned by the group.
from their side
Indicates origin or perspective from the group.
a product of their efforts
Highlights that something is a result of the group's work.
a creation of theirs
Focuses on the aspect of something being created or invented by the group.
part of their collection
Specifies that something is included within a larger set owned by the group.
one under their umbrella
Suggests being part of a group or organization offering support or protection.
one associated with them
Indicates a connection or affiliation with the group.
FAQs
How can I use "one of theirs" in a sentence?
Use "one of theirs" to refer to an item, person, or idea that belongs to a specific group. For example, "I think that car is "one of theirs"."
What is a synonym for "one of theirs"?
A synonym for "one of theirs" could be "one of their own" or "belonging to them". The best choice depends on the specific context.
Is it correct to say "that's one of theirs"?
Yes, "that's one of theirs" is grammatically correct and commonly used to indicate that something belongs to a particular group.
What's the difference between "one of theirs" and "one of them"?
"One of theirs" implies a sense of possession or association with a specific group, while "one of them" is more general. For instance, "That idea is "one of theirs"" suggests the idea originated from a specific group, whereas "one of them" simply means the idea came from someone within a group.
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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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested