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
requires
Grammar usage guide and real-world examplesUSAGE SUMMARY
'requires' is a perfectly correct and usable word in written English.
It is primarily used as a verb, and it means "to need (something) as a necessary condition or part." For example, you can use the sentence "This recipe requires fresh basil and oregano to bring out its full flavor."
✓ Grammatically correct
News & Media
Formal & Business
Science
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
We will want to determine that those responsible for operating this ride have done what the law requires.
News & Media
A successful referendum requires a double majority – a national yes vote, and affirmation in the majority of the states.
News & Media
Will the country defy the doomsayers and unlock the €7.2bn in held-up bailout funds it so desperately requires?
News & Media
"Oil prices are going down but this ministry has always been given what it requires," Khulaifi added.
News & Media
It requires the kind of "rat-like cunning" that Nicholas Tomalin reckoned was one of the three essential qualities for any good journalist.
News & Media
Bringing a prosecution under this act was always going to be difficult because it requires an explicit agreement to pay money or some other "valuable consideration", such as a loan, in return for an honour.
News & Media
China restricts the number of foreign films it releases and often requires broad edits of American films before they meet censors' standards.
News & Media
It requires nothing less than a technological and social transformation: the building, over the next 40 years, of a global low-carbon economy and society.
News & Media
It's a simple truth, but lost on people who "lead", that all progress requires change but not all change constitutes progress.
News & Media
Already academics asked to host a distinguished professor of political Islam first consult the police, and are told that this everyday university event requires a strong police presence.
News & Media
"Strengthening cities requires greater attention not just to specific spaces, but also to specific groups of people.
News & Media
Expert writing Tips
Best practice
When using "requires", ensure the sentence clearly states what is needed and the condition or situation making it necessary.
Common error
Avoid using "requires" in overly passive constructions where the actor is unclear. Instead, rephrase to clearly state who or what is doing the requiring.
Source & Trust
94%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The verb "requires" primarily functions as a transitive verb, indicating that something is necessary or essential. Ludwig AI confirms its correctness and usability. It connects a subject with an object that is needed or demanded.
Frequent in
News & Media
52%
Formal & Business
24%
Science
24%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "requires" is a versatile transitive verb indicating necessity or obligation. It is grammatically sound and commonly used across various contexts, from news and media to formal business settings. Ludwig AI confirms that "requires" is a perfectly correct and usable word. While other similar words exists, carefully examine your context before switching it for an alternative. Best practice is to ensure clarity when using "requires", specifying what is needed and the conditions that make it necessary. Avoid passive constructions to maintain clarity.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
needs
A simpler and more direct synonym for "requires".
necessitates
Emphasizes that something is unavoidable as a consequence.
demands
Indicates a strong need or expectation for something.
calls for
Suggests that something is needed or appropriate in a given situation.
is essential
Highlights the critical importance of something.
is a must
Indicates that something is absolutely necessary or indispensable.
makes necessary
Highlights that something causes a need for another thing.
makes it imperative
Emphasizes the urgency and importance of a specific action.
stipulates
Specifies a particular condition or requirement.
is requisite
A more formal way of saying something is required or necessary.
FAQs
How do I use "requires" in a sentence?
What can I say instead of "requires"?
You can use alternatives like "needs", "demands", or "necessitates" depending on the context.
Which is correct, "requires that" or "requires for"?
"Requires that" is typically used to introduce a clause, while "requires for" is less common. For example, "The law "requires that" all citizens vote". You could say "The law has some requirements for new citizens".
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