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
no required
Grammar usage guide and real-world examplesUSAGE SUMMARY
"no required" is not correct English.
Instead, you would use "not required." For example, "Attendance at this event is not required."
⚠ May contain grammatical issues
News & Media
Science
Alternative expressions(20)
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
58 human-written examples
We're not sure why it's acceptable — no, required — that we gadget blogs report on all things Lego, but we're compelled to, and we're more than happy.
News & Media
The FDA has no required cellulose limits.
News & Media
We felt that we'd be compelled -- no, required!
News & Media
It is offering a 5percentt rate on savings accounts, with no required minimum balance or fees, and has collected $1.5 billion in deposits.
News & Media
The difficulty is the rise of so-called "dark money" with no required disclosure.
News & Media
There is no required reduction in emissions from any type of power plant except future coal-fired units.
News & Media
According to an analysis by the New York Times, 55percentt of the broadcast ads this year are run by groups with little or no required disclosure.
News & Media
The fact that the service has no required minimum initial deposit, in combination with the very low fee structure, makes it the perfect service for people with little or no experience investing.
News & Media
In the US, medical practices vary considerably in how these calls are handled; there is no required uniform standard.
In this discovery-phase investigation, MS based label-free quantification was advantageous given no required a priori knowledge of CSF proteome targets.
Science
Regarding the causes of the HIV outbreak in Hebei Province, before 1995, HIV-positive individuals could enter the blood plasma collection process with no required HIV testing.
Science
Expert writing Tips
Best practice
Always use the grammatically correct form "not required" instead of "no required" in formal writing.
Common error
Avoid using "no" as a direct substitute for "not" before a past participle. "No" functions as a determiner or adverb, while "not" is an adverb used to negate verbs. Always use "not required".
Source & Trust
81%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "no required" functions as a descriptor, aiming to indicate the absence of a requirement or obligation. However, it is grammatically incorrect because it omits the necessary auxiliary verb (is/are). Although Ludwig AI indicates its incorrectness, the phrase is frequently encountered.
Frequent in
News & Media
38%
Science
36%
Wiki
4%
Less common in
Formal & Business
12%
Academia
0%
Reference
0%
Ludwig's WRAP-UP
In summary, while the phrase "no required" is frequently used, it is grammatically incorrect. The correct form is "not required". Ludwig AI confirms this assessment, recommending the use of "not required" for grammatical accuracy. Although commonly encountered in News & Media and Science contexts, avoid using "no required" in formal writing. Opt for alternatives like "not mandatory", "not obligatory", or "not necessary" to maintain clarity and professionalism.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
not required
This is the grammatically correct form of the original phrase, using the auxiliary verb "is" or "are".
not necessary
Emphasizes that something is not essential or needed.
not obligatory
Highlights that something is not mandatory or compulsory.
not mandatory
Indicates that something is not enforced by a rule or law.
not compulsory
Similar to 'not mandatory', highlighting a lack of compulsion.
not a requirement
Changes the phrase to a noun construction, emphasizing the absence of a formal requirement.
not a necessity
Highlights that something is not essential or indispensable.
not essential
Focuses on the lack of importance or indispensability.
not needed
Simple and direct, indicating that something is not necessary.
not demanded
Stresses the absence of a formal or forceful request.
FAQs
What is the correct way to say "no required"?
The grammatically correct way to express that something isn't obligatory is to use "not required". For example, "Attendance is not required".
Can I use "no required" in a sentence?
While you might encounter "no required" in informal contexts, it's grammatically incorrect. Opt for "not required" for accurate and professional communication.
Are there formal alternatives to "no required"?
Yes, formal alternatives include phrases like "not mandatory", "not obligatory", or "not necessary". These options maintain a professional tone and grammatical accuracy.
What's the difference between "no required" and "not required"?
"No required" is grammatically incorrect and should be avoided. "Not required" is the correct form, using 'not' to negate the verb 'to require'.
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
81%
Authority and reliability
2.8/5
Expert rating
Real-world application tested