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
necessity
Grammar usage guide and real-world examplesUSAGE SUMMARY
The word "necessity" is correct and usable in written English.
You can use it to describe something that is essential or vitally important or required. Example: Self-discipline is a necessity if you want to be successful.
✓ Grammatically correct
News & Media
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
"There will be some circumstances in which it's right for public bodies, for example at the border, at airport security, to say there is a practical necessity for asking somebody to remove a veil.
News & Media
While her and her father's book addresses the individual necessity and pursuit of forgiveness, Mpho says it is also a fundamental part of the future of South Africa, the country she still lives in, and said there are still palpable resentments that need to be addressed.
News & Media
A third principle riding atop these is transparency: the notion that government should be transparent by default and secret by necessity (and there are necessary secrets).
News & Media
He told Gardaí he had no fixed abode, but the judge listed the necessity to provide an address as one of his bail conditions.
News & Media
The Snowden revelations halfway through the last parliament led to profound discussions about surveillance, privacy and the extent of any necessity to inspect or retain personal data.
News & Media
But I'm worn out and tired, and I'm also bitter that the management is taking so long to understand the absolute necessity of restructuring the paper and the way it is run".
News & Media
The consultation paper also says that state surveillance of the internet must be the exception rather than the norm, and "must only take place where it is clearly justified for the protection of the public and in accordance with the fundamental principles of necessity and proportionality".
News & Media
Die Welt said Tsipras may not be the worst choice to lead Greece on to the "right path", adding: "What could make him an unexpected reformer is pure necessity… In contrast to the established parties in the country, he is not seen as a puppet of the foreign leaders - also due to the criticism he directs at Brussels and Berlin.
News & Media
"Analysis of the data concludes that the necessity of deficit reduction on the scale undertaken by the coalition is debatable; yet it is certainly the case the austerity agenda could have taken an alternative form – such as additional tax rises targeted on more affluent sections of society – in order to mitigate its impact on the most deprived groups.
News & Media
Through psychological counselling and community support, RENTA Aunties are not only helping victims who have suffered from the practice, but they are also encouraging the empowerment of all women, by raising the necessity of teaching sex education.
News & Media
At a later press conference in The Hague, the OPCW's director general, Ahmet Üzümcü, a Turkish former diplomat, said events in Syria had acted as a "tragic reminder" of the necessity of its work.
News & Media
Expert writing Tips
Best practice
When using "necessity", ensure the context clearly establishes what makes the subject indispensable. Provide specific reasons or examples to reinforce the claim.
Common error
Avoid using "necessity" when describing mere preferences or conveniences. Reserve it for situations where the absence of something would lead to significant negative consequences.
Source & Trust
94%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The word "necessity" primarily functions as a noun, denoting something indispensable or unavoidable. According to Ludwig, it's correct and applicable in English writing. It is often used to emphasize the importance or essential nature of a thing or action.
Frequent in
News & Media
50%
Formal & Business
25%
Science
15%
Less common in
Academia
5%
Encyclopedias
3%
Reference
2%
Ludwig's WRAP-UP
In summary, "necessity" is a grammatically sound and frequently used noun that describes something indispensable. As Ludwig AI confirms, it is a valid and useful term. The word appears most often in news and media contexts and business environments to convey the critical importance or unavoidable nature of a subject. When using "necessity", ensure the context clearly indicates what makes the subject indispensable, and avoid using it for mere conveniences. Alternatives include "essential requirement" or "indispensable need". The high frequency and authoritative usage suggest that "necessity" is a valuable term for expressing critical requirements.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
essential requirement
Emphasizes the fundamental and indispensable nature of the requirement.
indispensable need
Highlights the crucial and non-negotiable aspect of the need.
basic requisite
Focuses on the fundamental and essential condition or quality.
unavoidable obligation
Stresses the inescapable nature of the duty or commitment.
critical demand
Highlights the urgency and importance of the requirement.
vital condition
Emphasizes the importance of a specific term or state for something to happen.
pressing requirement
Focuses on the urgency and importance of the requirement.
imperative
Short, forceful way to state an undeniable condition.
prime essential
Highlights the foremost or most important element.
core requirement
Implies a central or fundamental need.
FAQs
How to use "necessity" in a sentence?
You can use "necessity" to describe something that is essential or indispensable. For example, "Self-discipline is a "necessity" if you want to be successful."
What can I say instead of "necessity"?
You can use alternatives like "essential requirement", "indispensable need", or "basic requisite" depending on the context.
Which is correct, "necessity" or "necessary"?
What's the difference between "necessity" and "luxury"?
"Necessity" refers to something essential for survival or well-being, while "luxury" refers to something desirable but not essential. For example, food is a "necessity", while a diamond necklace is a luxury.
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
94%
Authority and reliability
4.6/5
Expert rating
Real-world application tested