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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
are indispensable
Grammar usage guide and real-world examplesUSAGE SUMMARY
The expression 'are indispensable' is correct and usable in written English.
You can use this expression when referring to something that is essential or necessary. For example: "Technical skills are indispensable for anyone hoping to pursue a career in the IT industry."
✓ Grammatically correct
News & Media
Science
Academia
Formal & Business
Wiki
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
Which works are indispensable?
News & Media
Both worlds are indispensable.
News & Media
Ferries are indispensable for transportation.
News & Media
"None of us are indispensable.
News & Media
The best entertainers are indispensable.
News & Media
But these deleters are indispensable.
News & Media
Therefore backup bearings are indispensable.
Science
They are indispensable to its full implementation.
News & Media
"They are indispensable to our food production.
News & Media
But two additional elements are indispensable.
News & Media
In some cases, companies say, human studies are indispensable.
News & Media
Expert writing Tips
Best practice
Use "are indispensable" to emphasize that something is absolutely necessary and cannot be done without. It adds a sense of importance and irreplaceability to your writing.
Common error
While "are indispensable" effectively conveys necessity, overuse can diminish its impact. Vary your language by using synonyms like "are essential", "are crucial", or "are vital" to maintain reader engagement.
Source & Trust
86%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "are indispensable" functions as a predicate adjective, modifying a noun or noun phrase to indicate that the subjects are absolutely necessary or essential. Ludwig AI confirms this usage through numerous examples.
Frequent in
News & Media
33%
Science
33%
Academia
10%
Less common in
Formal & Business
8%
Wiki
7%
Encyclopedias
7%
Ludwig's WRAP-UP
In summary, the phrase "are indispensable" is a grammatically correct and frequently used expression to emphasize the absolute necessity or essential nature of something. Ludwig AI confirms the validity of this expression. It is most commonly found in News & Media and Scientific contexts, maintaining a neutral to formal register. To avoid overuse, consider synonyms like "are essential" or "are crucial". When using "are indispensable", ensure it accurately reflects that the described element is truly irreplaceable and fundamentally necessary.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
are essential
Emphasizes necessity, interchangeable but slightly less forceful.
are crucial
Highlights the importance of something in determining an outcome.
are vital
Focuses on the life-sustaining or critical nature of something.
are critical
Emphasizes the urgent or decisive nature of something.
are fundamental
Emphasizes the foundational importance of something.
are necessary
States a basic requirement, less emphatic than "indispensable".
are requisite
Highlights a formal requirement or condition that must be met.
are paramount
Highlights the supreme importance or dominance of something.
are key
Indicates a central or significant element, more informal.
are irreplaceable
Focuses on the unique value and lack of substitutes.
FAQs
How can I use "are indispensable" in a sentence?
You can use "are indispensable" to describe elements that are absolutely necessary or essential. For instance, "Strong leadership skills "are indispensable" for success in management".
What are some alternatives to "are indispensable"?
Some alternatives include "are essential", "are crucial", and "are vital". The best choice depends on the specific nuance you want to convey.
Is it better to say "are indispensable" or "are important"?
"Are indispensable" indicates something is absolutely necessary, while "are important" simply means something has significance. Use "are indispensable" when the item is crucial and cannot be done without; otherwise, "are important" is sufficient.
When is it appropriate to use "are indispensable" in formal writing?
Use "are indispensable" in formal writing when emphasizing the critical nature of something. For example, "Rigorous research methods "are indispensable" for maintaining academic integrity".
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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
86%
Authority and reliability
4.6/5
Expert rating
Real-world application tested