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
be indispensable
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "be indispensable" is correct and usable in written English.
You can use it to describe someone or something that is absolutely necessary or essential in a particular context. Example: "In a successful team, each member should strive to be indispensable by contributing unique skills and insights."
✓ Grammatically correct
News & Media
Science
Formal & Business
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
It may be indispensable.
News & Media
English is therefore acknowledged to be indispensable.
Encyclopedias
— insures that the star will be indispensable.
News & Media
Some consider themselves to be indispensable.
News & Media
Ramping up alternative sources then will be indispensable.
News & Media
That is why NATO continues to be indispensable.
News & Media
NO ICE, PLEASE Water sacks can be indispensable thirst-quenchers in endurance sports, especially in summer.
News & Media
If he keeps pitching as he has lately, Chamberlain will be indispensable as a starter.
News & Media
"Considering how much these things weigh these days, it will be indispensable," he said.
News & Media
So, for all but the destitute, inequality turns out to be indispensable.
News & Media
If a peace agreement is eventually reached, Washington's help will be indispensable to making it work.
News & Media
Expert writing Tips
Best practice
Use "be indispensable" when you want to emphasize that something or someone is so crucial that its absence would significantly hinder or prevent success.
Common error
Avoid using "be indispensable" in situations where the importance is marginal. Reserve it for contexts where the absence truly creates a significant problem.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "be indispensable" primarily functions as a predicate adjective. It describes a subject as being absolutely necessary or essential. As evidenced by Ludwig, it is commonly used to emphasize the critical nature of something or someone.
Frequent in
News & Media
39%
Science
33%
Formal & Business
7%
Less common in
Encyclopedias
3%
Wiki
2%
Engineering Digital Design
2%
Ludwig's WRAP-UP
In summary, "be indispensable" is a phrase used to describe something or someone that is absolutely necessary or essential. Ludwig AI confirms its grammatical correctness and wide applicability across diverse contexts. It functions primarily as a predicate adjective, emphasizing the critical importance of the subject. The phrase sees frequent use in News & Media and Scientific publications, reflecting a neutral to formal register. For effective writing, reserve "be indispensable" for situations where the absence of the subject truly creates a significant problem, avoiding overuse in weaker contexts. Alternatives such as "be essential" or "be crucial" can provide nuanced alternatives depending on the desired emphasis.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
be essential
Focuses on the fundamental importance of something, similar to being indispensable but slightly broader.
be crucial
Emphasizes the critical nature of something for success or avoidance of failure.
be vital
Highlights the life-sustaining or extremely important aspect of something.
be necessary
States that something is required or needed, a more general term.
be required
Indicates that something is obligatory or mandated.
be paramount
Stresses the supreme importance or dominance of something.
be key
Suggests that something is a significant factor or element.
be fundamental
Highlights the basic or foundational nature of something.
be integral
Implies that something is an essential part of a whole.
be irreplaceable
Conveys that something cannot be substituted due to its unique qualities.
FAQs
How can I use "be indispensable" in a sentence?
You can use "be indispensable" to describe something or someone that is absolutely necessary or essential. For example, "Good communication skills can "be indispensable" in a leadership role".
What are some alternatives to "be indispensable"?
Some alternatives to "be indispensable" include "be essential", "be crucial", or "be vital", depending on the context.
Which is correct: "is indispensable" or "are indispensable"?
The correct form depends on whether you're referring to a singular or plural subject. Use "is indispensable" for singular subjects (e.g., "This tool is indispensable"), and "are indispensable" for plural subjects (e.g., "These tools are indispensable").
What's the difference between "be indispensable" and "be important"?
"Be important" indicates that something has significance, while "be indispensable" suggests that something is absolutely necessary and cannot be done without. Indispensable implies a higher degree of necessity than simply being important.
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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested