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 friend
Grammar usage guide and real-world examplesUSAGE SUMMARY
"closed friend" is a correct and usable phrase in written English.
It can be used to refer to a very close and trusted friend. For example, "I have known my closed friend for over 10 years now and she always knows the right thing to say."
✓ Grammatically correct
News & Media
Science
Alternative expressions(7)
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
2 human-written examples
It was my school age.I was full of beans but resricted by mother.But thank God,my father took me,we mounted up to the beans hills where I might not spilt the beans.My mother used to keep me as her closed friend provide me everything but let me to school not having a bean in my pocket.
News & Media
If this miraculously solves Twitter's larger issues — building an interesting feed of accounts to follow when you first join, or unscrambling a thousand topics from your timeline (which switch every 140 characters), or jumping off of the very public ledge of Twitter's compose window to start sharing content with the world and not a closed friend group – then bravo to Twitter.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
Trust normally could be distinguished as particularized trust and generalized trust, the former indicates trust to close friends, relatives, and family members, and the latter one refers to the trust to less closed friends, or society in general (Newton and Zmerli 2011; Uslaner 2002).
Two of the mogul's closed friends, who declined to be named, told Sorkin that Jobs had said that he could do more good by expanding Apple, than by focusing on charity, especially once he was diagnosed with cancer.
News & Media
By addressing these concepts in the roundtable format, the web series becomes valuable twofold: Chinese Americans get to see these kinds of affable discussions about stereotypes in the US that happen so often behind closed doors, with close friends, but never are captured on screen.
News & Media
"Until the case is closed, it's not closed," said Aleksandr Cherkasov of the rights organization Memorial, who was a close friend of Mr. Markelov's.
News & Media
But from then on, he shut himself away with his wife and certain of his children and close friends, a very closed circle of about 20 people.
News & Media
New buildings and developments, erected at a furious pace, tend to look like they were designed behind closed doors by bureaucrats with close friends in the concrete industry.
News & Media
Peer smoking and peer drinking were assessed, in Cycles 4 through 6, using 2 closed questions: "How many of your close friends smoke cigarettes"?
Science
In other words, "strong ties" refers to the interactions that exist within a particular group (closed family, friends), whereas "weak ties" refers to the interactions across multiple groups (open groups or networks).
Science
Granted you can share pictures or video of your wedding with friends on Wula, but surely innocuous material like this can be fairly easily emailed or uploaded to a closed YouTube friends family group.
News & Media
Expert writing Tips
Best practice
Use "closed friend" to emphasize the exclusivity and trust within a close relationship. This highlights that the friendship involves sharing private thoughts and experiences.
Common error
While "closed friend" is acceptable, overuse can sound repetitive. Vary your language by using synonyms like "intimate friend" or "close confidant" to maintain reader engagement.
Source & Trust
86%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "closed friend" functions as a noun phrase modifier, where the adjective "closed" modifies the noun "friend". It specifies the type of friend being discussed, emphasizing the exclusivity and depth of the relationship. As Ludwig AI confirms, the phrase is grammatically correct.
Frequent in
News & Media
50%
Science
25%
Formal & Business
25%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "closed friend" is a grammatically correct phrase used to describe a friend with whom one shares a deep level of trust and intimacy. Ludwig AI confirms its acceptability. While not exceptionally common, it appears in reputable sources such as news outlets and scientific publications. Alternative phrases like "intimate friend" or "close confidant" can be used to vary language. Using "closed friend" can be effective in emphasizing the unique bond between two people, but overuse should be avoided. It is suitable for neutral contexts, highlighting the shared trust and exclusivity within the friendship.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
intimate friend
Emphasizes a deep level of personal connection and shared intimacy.
close confidant
Highlights the trust and sharing of secrets within the friendship.
trusted friend
Focuses on the reliability and dependability of the friend.
bosom buddy
Implies a relationship of affection and camaraderie, slightly more informal.
best friend
Denotes the highest level of friendship and importance.
inner circle friend
Suggests the friend is part of a select group of trusted individuals.
personal friend
Indicates a friendship that extends beyond professional or public life.
loyal friend
Highlights the steadfastness and unwavering support of the friend.
dear friend
Expresses affection and warmth in the friendship.
longtime friend
Focuses on the duration and history of the friendship.
FAQs
What does "closed friend" mean?
A "closed friend" signifies a very "close confidant" or someone with whom you share private thoughts and experiences, emphasizing trust and exclusivity in the relationship.
Are there alternatives to saying "closed friend"?
Yes, depending on the context, you can use alternatives such as "intimate friend", "close confidant", or "trusted friend".
How do I use "closed friend" in a sentence?
You can use "closed friend" in a sentence like, "She is my "closed friend"; I trust her with all my secrets" or "I consider him a "closed friend" because we've shared so many life experiences together".
Is "closed friend" the same as "best friend"?
While both terms denote a strong friendship, "best friend" usually signifies the most important friendship in your life, while "closed friend" emphasizes the aspect of sharing private matters and having a deep level of trust and intimacy. A best friend can also be a "dear friend", or a "longtime friend".
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
86%
Authority and reliability
4.1/5
Expert rating
Real-world application tested