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
indispensable for
Grammar usage guide and real-world examplesUSAGE SUMMARY
"indispensable for" is correct and can be used in written English.
You can use it to describe something that is absolutely essential for a task or purpose. For example, "A good leader is indispensable for the success of a business."
✓ Grammatically correct
News & Media
Science
Encyclopedias
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
Ferries are indispensable for transportation.
News & Media
"He's indispensable for us.
News & Media
Haworth parsonage is indispensable for Brontë fans.
News & Media
In short, they are indispensable for the industry.
News & Media
You'll find it indispensable for leaving notes in.
News & Media
What one thing is indispensable for life in your city?
News & Media
And they are indispensable for transporting knives to a picnic.
News & Media
"You know, the fish they say is indispensable for bouillabaisse".
News & Media
These enriched isotopes are indispensable for research in nuclear physics.
Encyclopedias
"I can tell you that they are indispensable for farming".
News & Media
The Prado chose works it considered indispensable for any visitor.
News & Media
Expert writing Tips
Best practice
Use "indispensable for" when you want to emphasize that something is absolutely essential and cannot be done without. For example, "Good communication is indispensable for a successful team."
Common error
While "indispensable for" is correct, overuse can make your writing sound overly formal. In less formal settings, consider using alternatives like "essential", "necessary", or "key" to maintain a more natural tone.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "indispensable for" functions as an adjective phrase followed by a preposition, modifying a noun or pronoun. It emphasizes the crucial and essential nature of something for a particular purpose or outcome. Ludwig AI validates that this phrase is correct.
Frequent in
Science
36%
News & Media
33%
Encyclopedias
5%
Less common in
Formal & Business
3%
Reference
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "indispensable for" is a grammatically sound and frequently used phrase that signifies something is absolutely essential. While Ludwig AI confirms its correctness, remember that it leans towards formal contexts. Common synonyms include "necessary for" and "essential for", but "indispensable" carries a stronger emphasis on the critical nature. This phrase is very common in science and news media.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
necessary for
Replaces "indispensable" with a more common synonym, focusing on the requirement aspect.
essential for
Similar to "necessary", but emphasizes the fundamental nature of the requirement.
crucial for
Highlights the importance and criticality of something.
vital for
Emphasizes the life-sustaining or critical importance.
fundamental for
Indicates that something is a basic and necessary part of something else.
requisite for
A more formal synonym for necessary, suggesting a requirement that must be met.
a must-have for
Emphasizes that something is highly desirable and practically necessary.
irreplaceable for
Indicates that nothing else can substitute or fulfill the same function.
integral to
Highlights the role of something as a part without which the whole cannot exist or function.
critical to
Highlights the importance and criticality of something, similar to crucial.
FAQs
How can I use "indispensable for" in a sentence?
Use "indispensable for" to describe something that is absolutely necessary or essential for achieving a particular outcome or fulfilling a specific purpose. For example, "Teamwork is indispensable for project success."
What are some alternatives to "indispensable for"?
You can use alternatives like "necessary for", "essential for", or "crucial for" depending on the context.
Is there a difference between "indispensable for" and "essential for"?
While both convey the idea of necessity, "indispensable" suggests something is absolutely crucial and impossible to do without, while "essential for" simply means highly important or necessary.
Can "indispensable for" be used in both formal and informal writing?
While grammatically correct in both contexts, "indispensable for" is generally more suited for formal writing. In informal settings, using alternatives like "needed for" or "key for" can create a more relaxed tone.
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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested