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
someone i know
Grammar usage guide and real-world examplesUSAGE SUMMARY
"someone I know" is a grammatically correct phrase and can be used in written English.
It is commonly used to refer to a person that the speaker has a personal connection with. Example: "I saw someone I know at the grocery store today."
✓ Grammatically correct
News & Media
Academia
Alternative expressions(6)
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
Someone I know came in then.
News & Media
And: What if someone I know calls?
News & Media
"But that will never preclude my hiring someone I know".
News & Media
"And I'll be embarrassed if I see someone I know".
News & Media
As I said, not someone I know well.
News & Media
I'm starting to age with someone I know.
News & Media
"I thought I'd rather cry with someone I know.
News & Media
"Will someone I know get sick and maybe die?
News & Media
About claiming it belongs to someone I know.
News & Media
"I can't watch it if it's someone I know.
News & Media
That's someone I know very well, and that I'd take care of him".
News & Media
Expert writing Tips
Best practice
When writing dialogue, "someone I know" can introduce a character in a natural, conversational way. It implies familiarity without needing to provide immediate, detailed background information.
Common error
While acceptable, excessively using "someone I know" in formal or academic writing can sound vague. Consider using more specific terms such as "an acquaintance", "a colleague", or by stating the person's role or title.
Source & Trust
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "someone i know" functions as a noun phrase, acting as a subject, object, or complement in a sentence. Ludwig provides numerous examples where this phrase introduces a person familiar to the speaker, as confirmed by Ludwig AI.
Frequent in
News & Media
65%
Academia
20%
Formal & Business
5%
Less common in
Science
5%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "someone i know" is a grammatically correct and frequently used phrase in English, serving as a noun phrase to denote a person familiar to the speaker. Ludwig AI confirms its validity and common usage. While suitable for both informal and formal contexts, more specific terms may be preferred in formal writing. The phrase appears most often in news and media, and academic contexts. It's a versatile way to introduce or refer to an acquaintance without specifying the nature of the relationship. When choosing to use this phrase it's important to consider if there is a more specific way of describing the person that would offer the reader greater context.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
a friend of mine
Indicates a closer relationship than "someone I know", implying personal connection and familiarity.
an acquaintance of mine
More formal than "someone i know", indicating a person known, but not necessarily closely.
a person i'm familiar with
Similar to "someone I know", but emphasizes the speaker's sense of familiarity with the person.
a person i'm acquainted with
Formal and emphasizes the state of being acquainted, implying a recognized, but potentially distant, relationship.
someone i'm acquainted with
Formal alternative, suggesting a less intimate relationship than a friend but more than a stranger.
a person i've met
Focuses on the act of meeting, suggesting a less established relationship compared to "someone I know".
someone from my circle
Implies the person belongs to the speaker's social or professional network.
a person in my social circle
More specific and emphasizes the social aspect of the relationship.
a colleague of mine
Specifies the relationship as professional, limiting the context to work or similar environments.
one of my contacts
Indicates a connection primarily for communication or professional purposes.
FAQs
How can I use "someone I know" in a sentence?
Use "someone I know" to refer to a person you are familiar with but don't need to specify your exact relationship with. For example, "I ran into "someone I know" at the grocery store today".
What can I say instead of "someone I know"?
You can use alternatives like "an acquaintance of mine", "a friend of mine", or "a colleague of mine" depending on the context.
Is it appropriate to use "someone I know" in formal writing?
While grammatically correct, "someone I know" may be considered too informal for certain types of formal writing. Consider more specific terms like "an associate" or specifying the person's role if appropriate. For example, "a former research assistant".
What's the difference between "someone I know" and "someone I've met"?
"Someone I know" implies a continuing familiarity or relationship, while "someone I've met" simply indicates that you have encountered the person at least once. "Someone I know" suggests a deeper level of recognition or interaction.
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
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested