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
invaluable friend
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "invaluable friend" is correct and usable in written English.
It can be used to describe a friend who is extremely valuable or important to you, often in terms of support or companionship. Example: "During my toughest times, she proved to be an invaluable friend, always there to lend a listening ear."
✓ Grammatically correct
News & Media
Wiki
Formal & Business
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
4 human-written examples
Uncle, cousin and invaluable friend to all.
News & Media
Everybody loved him; he was an invaluable friend to countless people throughout the world.
News & Media
Since then she has been an invaluable friend to the company and its founding director, the conductor Eve Queler.
News & Media
He turned to his invaluable friend Marcel Grossmann, now chairman of the math department at the Zurich Polytechnic; Isaacson quotes him as saying, "Grossmann, you've got to help me or I will go crazy".
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
53 human-written examples
It's been three years since I've graduated college, and like my high school experience, my extracurricular activities and leadership opportunities taught me a lifetime's worth of lessons, and blessed me with invaluable friends and mentors.
News & Media
To achieve these ambitious aspirations, we've sought the counsel of philanthropy leaders such as Connie Yowell of the John D. and Catherine T. MacArthur Foundation, Dr. Bob Ross of The California Endowment and our research partners at the Berkman Center for Internet & Society at Harvard, who have been invaluable friends and colleagues in this journey.
News & Media
She is an invaluable, darling friend.
News & Media
Kevin will be remembered as a invaluable relative and friend to many.
News & Media
Hesh is an invaluable adviser and friend to Tony, as he was when Tony's father ran things.
Wiki
"The Harvard network is invaluable – I have friends struggling to find part-time jobs, but I'm working for 10 weeks for a City investment company in a job only offered to Harvard students".
News & Media
This may also be why some found the assistance of family or close friends invaluable: "Would it be possible for my mum to come in?
Science
Expert writing Tips
Best practice
Use "invaluable friend" to express deep appreciation for a friend who provides significant support, guidance, or positive impact in your life.
Common error
Avoid using "invaluable friend" in situations where the friend's contribution is minor or commonplace. Reserve it for genuinely significant and impactful relationships.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "invaluable friend" functions as a noun phrase where the adjective "invaluable" modifies the noun "friend", emphasizing the friend's high worth or importance. As Ludwig AI confirms, it is a proper expression with an adjective enhancing the characteristic of the noun.
Frequent in
News & Media
50%
Wiki
25%
Formal & Business
25%
Less common in
Science
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "invaluable friend" is a grammatically sound and meaningful phrase used to express deep appreciation for a friend who offers significant support and positive influence. While Ludwig AI considers it correct and usable, its frequency is relatively low, primarily appearing in news media and personal acknowledgments. The phrase communicates strong gratitude and is suitable for both personal and formal contexts, though overuse in trivial situations should be avoided. Alternatives such as ""priceless friend"" or ""irreplaceable friend"" can be used for variety. It is important to reserve the term for genuinely significant relationships to maintain its impact.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
priceless friend
Replaces "invaluable" with "priceless" to emphasize the irreplaceable nature of the friend.
irreplaceable friend
Highlights the uniqueness and the impossibility of replacing the friend.
indispensable friend
Stresses that the friend is essential and crucial in one's life.
highly valued friend
Focuses on the high degree of appreciation and worth placed on the friend.
cherished friend
Emphasizes the affection and care associated with the friend.
true ally
Highlights the friend's loyalty and support in times of need or challenge.
deeply appreciated friend
Highlights the profound gratitude felt for the friend's presence and support.
extremely supportive friend
Focuses on the friend's role in providing assistance and encouragement.
trusted confidant
Emphasizes the friend's role as someone to whom secrets and personal matters can be safely revealed.
steadfast companion
Highlights the friend's reliability and unwavering presence.
FAQs
How can I effectively use "invaluable friend" in a sentence?
Use "invaluable friend" to describe someone whose support, advice, or presence has been crucial during challenging times or in achieving significant goals. For example, "During my toughest times, she proved to be an "invaluable friend", always there to lend a listening ear."
What are some alternative ways to describe a friend who is incredibly valuable?
You can use alternatives such as "priceless friend", "irreplaceable friend", or "highly valued friend" to convey a similar sentiment.
Is it appropriate to use "invaluable friend" in a professional setting?
While generally suitable, consider the specific context. In formal acknowledgments or tributes, "invaluable friend" can be appropriate to recognize a colleague's exceptional contributions and support. However, use discretion to ensure it aligns with the overall tone and formality of the communication.
What distinguishes "invaluable friend" from "good friend"?
"Good friend" is a general term for someone you enjoy spending time with and trust. "Invaluable friend" implies a deeper level of reliance and appreciation, suggesting that the friend's presence or assistance is essential and has a significant positive impact on your life. It's a stronger expression of gratitude and recognition.
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
4.5/5
Expert rating
Real-world application tested