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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 them
Grammar usage guide and real-world examplesUSAGE SUMMARY
"one of them" is a correct and usable part of a sentence in written English.
You can use it whenever you want to refer to a group of things or people (usually more than two). For example, "My students always have great ideas, and I'm sure one of them will find the solution to this problem."
✓ Grammatically correct
News & Media
Formal & Business
Alternative expressions(20)
a member of the group
an individual among them
part of that set
included in that number
belonging to those
one of such
one of those people
nobody of them
one of theirs
examples of them
either
one of the children
not one of them
not either of them
not one nor the other
everyone of them
Neither of them
neither one of them
none of them
neither he nor she
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
One of them refused.
News & Media
Seventy-four of them, anyway.
News & Media
One of them disappears.
News & Media
One of them was Capt.
News & Media
One of them is fear.
News & Media
One of them nodded yes.
News & Media
One of them is breakfast.
News & Media
One of them threatened suicide.
News & Media
One of them is here.
News & Media
One of them is mobility.
News & Media
One of them just died.
News & Media
Expert writing Tips
Best practice
Ensure the context clearly defines the group to which "one of them" refers to avoid ambiguity. For instance, instead of saying "Some books are better than others; one of them is great", specify which books you are referring to.
Common error
Avoid using "one of them" when the referent is unclear or distant in the text. This can confuse readers and weaken your writing. Always make sure the group being referenced is readily identifiable.
Source & Trust
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "one of them" functions as a pronoun phrase, specifically a partitive pronoun. It refers to a single entity selected from a previously identified group. As noted by Ludwig, this phrase is commonly used in various contexts.
Frequent in
News & Media
86%
Formal & Business
10%
Science
4%
Less common in
Wiki
0%
Encyclopedias
0%
Social Media
0%
Ludwig's WRAP-UP
The phrase "one of them" is a common and grammatically sound way to refer to a single member of a previously mentioned group. As Ludwig AI confirms, it's a usable part of a sentence in written English. The analysis of example sentences from Ludwig shows that "one of them" is frequently used in News & Media and Formal & Business contexts. To ensure clarity, always make sure the referent group is clearly defined in your writing. While versatile, avoid using "one of them" if it creates ambiguity. When alternatives are needed, consider using "a member of the group" or "an individual among them" depending on the specific context.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
a member of the group
Replaces "one" with "a member" for a more formal tone and emphasizes belonging to a group.
an individual among them
Focuses on the person as an individual within the larger group.
part of that set
Uses "set" to refer to a collection of items, emphasizing the mathematical concept of belonging.
represented in that collection
Focuses on the aspect of being present or accounted for within a collection.
included in that number
Highlights the inclusion within a numerical count.
amongst those present
Highlights the presence within a group of people.
belonging to those
Emphasizes the aspect of ownership or affiliation with a group.
a single instance thereof
A very formal and somewhat archaic way of indicating one item from a collection.
a participant therein
Implies involvement or activity within a group or event.
a specimen from that lot
Uses "specimen" and "lot" to refer to a sample from a larger collection, suggesting a scientific context.
FAQs
How do I use "one of them" correctly in a sentence?
Use "one of them" when you want to refer to a single member of a previously mentioned group. For example, "I have several friends, and "one of them" is a doctor".
What phrases can I use instead of "one of them"?
Depending on the context, you can use phrases like "a member of the group", "an individual among them", or "part of that set".
Is it ever incorrect to use "one of them"?
It can be incorrect if the group you are referring to is not clearly defined or previously mentioned in the text. Clarity is key to using "one of them" effectively.
What is the difference between "one of them" and "each of them"?
"One of them" refers to a single member of a group, while "each of them" refers to every member of the group individually. For example, "One of them is coming to the party" versus "Each of them is bringing a gift".
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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
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested