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 indispensible to
Grammar usage guide and real-world examplesUSAGE SUMMARY
✓ Grammatically correct
Science
News & Media
Academia
Alternative expressions(20)
it is quite important to
it is tough to
this requires
it is very essential to
it is instrumental to
it is impossible to
it is likely to
it is highly advisable to
it is strange to
it is primordial to
it is important to
it is very critical to
it is very significant and important
this required
it is reluctant to
it is intuitive to
there ought to
there should be
it is indispensable to
it was necessary to
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
7 human-written examples
It is indispensible to understand the defect chemistry and transport near GBs of the CZTSSe.
Science
It has been recognized that to get into insides of controllability of the system it is indispensible to define a quantity to measure how the system is controllable.
Science
Therefore, it is indispensible to apply methodologies which can distinguish between old and newly synthesized receptors in living cells.
In this context, it is indispensible to highlight the significantly higher dialysis rate in patients with non-alcoholic disease than in alcoholic patients in our cohort.
Science
To have a whole understanding of the process of protein folding, it is indispensible to investigate the structural and energetic information about transition-state intermediates.
It is indispensible to elucidate where Aβ oligomerizes; i.e., whether Aβ oligomerizes in the cytosol after extracellular secretion and reuptakes into cells, or whether Aβ oligomerizes in the extracellular space and reuptakes into cells.
Human-verified similar examples from authoritative sources
Similar Expressions
53 human-written examples
It is also expected to say that paramilitary decommissioning is indispensible to a lasting peace.
News & Media
It has been pointed out that the patient's judgement on the quality and goodness of care is indispensible to improving the management of healthcare systems.
Science
This knowledge is indispensible to breeders who will select alfalfa genotypes with broad resistance to brown root rot.
Academia
Each is indispensible to overall drama.
News & Media
Detecting salient features and objects in complex natural scenes is indispensible to any visual system.
Science
Expert writing Tips
Best practice
When using "it is indispensible to", ensure the context clearly establishes what relies on the action being described. For example, instead of saying "It is indispensible to understand the data", specify "It is indispensible to understand the data for accurate forecasting".
Common error
Avoid using "it is indispensible to" when simpler phrases like "it is important to" or "it is necessary to" would suffice. The phrase carries a strong emphasis, so reserve it for situations where something is truly crucial or irreplaceable.
Source & Trust
87%
Authority and reliability
4.3/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "it is indispensible to" functions as an introductory clause that emphasizes the necessity or crucial importance of a subsequent action or condition. It sets the stage for explaining why something is absolutely essential, as demonstrated by the examples provided by Ludwig.
Frequent in
Science
57%
News & Media
14%
Academia
14%
Less common in
Formal & Business
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "it is indispensible to" is a formal expression used to emphasize the critical importance or necessity of something. Ludwig AI's analysis shows that it often appears in scientific and academic contexts, highlighting the crucial nature of subsequent actions. While grammatically correct, it is best used when conveying that something is absolutely essential, and simpler alternatives may be more suitable in less formal settings.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
it is essential to
Replaces "indispensible" with "essential", maintaining the meaning of crucial importance.
it is necessary to
Substitutes "indispensible" with "necessary", indicating a requirement.
it is vital to
Replaces "indispensible" with "vital", emphasizing the critical nature.
it is crucial to
Substitutes "indispensible" with "crucial", highlighting the importance for success.
it is critical to
Replaces "indispensible" with "critical", stressing the significant impact.
it is imperative to
Substitutes "indispensible" with "imperative", conveying a sense of urgency and necessity.
it is mandatory to
Replaces "indispensible" with "mandatory" suggesting compliance with a rule or law.
it is a must to
Substitutes "indispensible" with "a must", indicating something highly recommended or necessary.
it is requisite to
Replaces "indispensible" with "requisite" suggesting compliance with a rule or law.
it is fundamental to
Substitutes "indispensible" with "fundamental", indicating a basic condition.
FAQs
What does "it is indispensible to" mean?
The phrase "it is indispensible to" means that something is absolutely necessary or essential. It implies that a particular action or element is crucial and cannot be done without.
What can I say instead of "it is indispensible to"?
You can use alternatives like "it is essential to", "it is necessary to", or "it is crucial to" depending on the context.
How can I use "it is indispensible to" in a sentence?
To properly use "it is indispensible to" in a sentence, follow it with a verb. For example: "It is indispensible to understand the requirements before starting the project."
Is "it is indispensible to" formal or informal?
The phrase "it is indispensible to" is generally considered formal. In more casual settings, simpler alternatives like "it's important to" or "it's crucial to" might be more appropriate.
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
87%
Authority and reliability
4.3/5
Expert rating
Real-world application tested