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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
is indispensible
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "is indispensible" is not correct; the correct spelling is "is indispensable." You can use it when describing something that is absolutely necessary or essential.
Example: "In today's fast-paced world, effective communication is indispensable for successful teamwork."
⚠ May contain grammatical issues
Science
News & Media
Alternative expressions(20)
will be assembled
is deserved
will be interrogated
is predicated
needs refinement
deserves to be done
will be reinvigorated
is required to be done
is much needed
ought to be done
is needed
will be accelerated
benefits needed
will be desired
has to be executed
is essential
will be understood
needs to be done
is engendered
is necessary
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
The Times is indispensible.
News & Media
He was clear that, ultimately, no one is indispensible.
News & Media
"We read and write because it matters, the life of the heart and mind is indispensible.
News & Media
It is also expected to say that paramilitary decommissioning is indispensible to a lasting peace.
News & Media
Unfortunately best doctor is indispensible, doesn't need sleep and doesn't leave work unfinished for colleagues to sweep up.
News & Media
In the current England set-up, he is indispensible.
News & Media
According to the fixed point constraint, RCM is indispensible in the surgery.
Science
It is indispensible to understand the defect chemistry and transport near GBs of the CZTSSe.
Science
Women entrepreneurship is indispensible for long-term economic growth in today's high-tech world.
Thus, an effective method to predict the AIT of flammable materials is indispensible in this regard.
Science
Ignition is a hot, mysterious burst of passion, an awakening, and it is indispensible for firing up a person's motivation.
News & Media
Expert writing Tips
Best practice
Always double-check the spelling. The correct spelling is "indispensable".
Common error
Avoid using "indispensible". The correct spelling is "indispensable". Using the misspelled version can detract from your writing's credibility.
Source & Trust
85%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is indispensible" (misspelled) typically functions as a predicate adjective, describing a noun or pronoun as being absolutely necessary. Even though the spelling is wrong Ludwig shows many examples of how this phrase is used.
Frequent in
Science
66%
News & Media
32%
Formal & Business
2%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "is indispensible" is a misspelling of "is indispensable". Despite its frequent usage, as demonstrated by Ludwig's examples, it's crucial to use the correct spelling to maintain credibility in your writing. The phrase is used to emphasize the necessity of something, and you can find it in science, news and media. Remember to use alternatives, which you can find them by clicking their link, like ""is essential"" or ""is crucial"".
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
is essential
Replaces "indispensible" with a more common synonym, focusing on the fundamental nature of the requirement.
is crucial
Emphasizes the critical importance of something.
is vital
Highlights the life-sustaining or critically important nature of something.
is necessary
Indicates a requirement or a need that cannot be avoided.
is required
Implies a mandatory condition or obligation.
is paramount
Stresses the supreme importance or dominance of something.
is critical
Underscores the decisive or crucial nature of something.
is fundamental
Highlights the basic or foundational importance of something.
is key
Implies that something is essential for achieving a particular outcome.
cannot do without
Emphasizes the impossibility of functioning effectively without something.
FAQs
What is the correct spelling, "is indispensible" or "is indispensable"?
The correct spelling is "is indispensable". The misspelling "is indispensible" is a common error.
What does "is indispensable" mean?
It means that something is absolutely necessary or essential. It is something you cannot do without.
What can I say instead of "is indispensable"?
You can use alternatives like "is essential", "is crucial", or "is vital" depending on the context.
How can I use "is indispensable" in a sentence?
"Strong leadership is indispensable for the success of any organization." Remember to use the correct spelling: "indispensable."
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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
85%
Authority and reliability
2.8/5
Expert rating
Real-world application tested