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
it is indispensable
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase 'it is indispensable' is correct and usable in written English.
You can use it to refer to something that is absolutely necessary or absolutely essential. For example: "Having a good education is indispensable if you want to make it in the modern world."
✓ Grammatically correct
Science
News & Media
Academia
Alternative expressions(20)
it is a must
it is quite necessary
it is mandatory
it is simply necessary
it is unavoidable
it is of utmost interest
it is of utmost relevance
it is of substantial importance
it is of utmost significance
it are vital
it is a necessity
it is obligatory
it is crucial
it is of utter importance
it is of enormous importance
it is absolutely appropriate
it is required
it is of extreme importance
it is absolutely necessary
it is really 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
It is indispensable.
News & Media
Daylight, lots of it, is indispensable.
News & Media
In the short run, it is indispensable.
News & Media
But it is indispensable in a democracy.
News & Media
It is indispensable to the world we live in.
Academia
Europe does not impede this mission; rather it is indispensable.
News & Media
But as a crossroads for enthusiasts, it is indispensable.
News & Media
Therefore, it is indispensable to develop an alternative deposition technique.
Thus, it is indispensable to understand how data publishing works across disciplines.
Academia
Second, it is indispensable training for life and work in a digital age.
It is indispensable in assuring court rulings that are not whims of politics.
News & Media
Expert writing Tips
Best practice
Use "it is indispensable" to emphasize that something is absolutely essential and cannot be omitted or substituted without significantly affecting the outcome. For example: "For a successful research project, thorough data analysis it is indispensable."
Common error
While "it is indispensable" is grammatically correct, avoid using it excessively in casual conversation or informal writing, as it can sound overly formal or pretentious. Opt for simpler alternatives like "it's essential" or "it's a must" to maintain a natural tone.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "it is indispensable" functions as an evaluative statement, asserting the critical necessity of a subject. It emphasizes that something is so important that it cannot be done without, as supported by Ludwig and its examples.
Frequent in
Science
42%
News & Media
34%
Academia
17%
Less common in
Formal & Business
5%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "it is indispensable" is a grammatically correct and frequently used expression to convey that something is absolutely necessary. As Ludwig AI confirms, it's suitable for emphasizing the critical importance of a particular element or action, especially in formal and scientific writing. While "it is indispensable" is common in Science, News & Media, and Academia, consider using simpler alternatives like "it is essential" or "it is crucial" in more casual settings to maintain an appropriate tone. Remember to ensure your language matches the formality of your context.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
it is essential
Replaces "indispensable" with "essential", implying a crucial but potentially less absolute need.
it is crucial
Substitutes "indispensable" with "crucial", indicating a critical importance in achieving a specific outcome.
it is vital
Uses "vital" instead of "indispensable", suggesting something necessary for the survival or success of something.
it is necessary
Employs "necessary" instead of "indispensable", conveying a requirement that cannot be done without.
it is required
Replaces "indispensable" with "required", suggesting a formal or obligatory need.
it is mandatory
Substitutes "indispensable" with "mandatory", indicating an obligatory or compulsory aspect.
it is a must
Uses "a must" instead of "indispensable", presenting it as something highly advisable or essential.
it is non-negotiable
Replaces "indispensable" with "non-negotiable", suggesting that it cannot be compromised or adjusted.
it is irreplaceable
Substitutes "indispensable" with "irreplaceable", highlighting its unique value and the inability to substitute it.
it is fundamental
Employs "fundamental" instead of "indispensable", focusing on its role as a basic or foundational element.
FAQs
How can I use "it is indispensable" in a sentence?
Use "it is indispensable" to emphasize the critical necessity of something. For example, "For this experiment, precise measurements "it is indispensable"".
What are some alternatives to "it is indispensable"?
You can use alternatives like "it is essential", "it is crucial", or "it is vital" depending on the context.
Is "it is indispensable" formal or informal?
"It is indispensable" leans toward the formal side. In informal contexts, you might prefer phrases like "it is a must" or "it is essential".
What does "indispensable" mean?
"Indispensable" means absolutely necessary or essential. If something is indispensable, it cannot be done without. A close synonym is "it is required".
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
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested