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
reservation is required
Grammar usage guide and real-world examplesUSAGE SUMMARY
The sentence is correct and can be used in written English.
You can use it when you want to indicate that someone needs to make a reservation before they can do something. For example: "Due to limited seating, reservation is required for the dinner event."
✓ Grammatically correct
News & Media
Academia
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
16 human-written examples
Admission is free, but a reservation is required.
News & Media
Each guest is charged $30 and a reservation is required.
News & Media
A separate reservation is required for the performance.
News & Media
A reservation is required to use the booths.
Academia
A one-hour advance reservation is required and it must be booked at www.budget.com.
News & Media
A reservation is required, and the ski rack will not fit subcompacts; (800) 230-4898 or www.avis.com.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
44 human-written examples
Reservations are required.
News & Media
Shuttle reservations are required.
News & Media
Free; reservations are required.
News & Media
Advance reservations are required.
News & Media
Online reservations are required.
News & Media
Expert writing Tips
Best practice
When stating that a "reservation is required", always provide clear instructions on how to make a reservation, such as a website link or phone number. This ensures users can easily comply with the requirement.
Common error
Avoid simply stating "reservation is required" without offering guidance on how to make one. This can lead to user frustration and a failure to secure the reservation.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "reservation is required" functions as an indicative statement, informing the audience about a necessary condition. Ludwig AI validates this usage. It clearly communicates that a reservation is not optional but mandatory for a particular service or event.
Frequent in
News & Media
68%
Academia
12%
Formal & Business
6%
Less common in
Science
6%
Wiki
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, the phrase "reservation is required" is a common and grammatically sound way to indicate that advance booking is mandatory. As noted by Ludwig AI, it serves to inform and instruct, ensuring individuals understand the need to secure their spot for an event or service. Its usage is prevalent in News & Media and Academic contexts, showcasing its versatility. Alternatives such as "booking is necessary" or "advance booking is essential" can be used to vary your phrasing. Remember to always provide clear booking instructions alongside the statement. Overall, it’s important for ensuring smooth user experience.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
booking is necessary
Replaces 'required' with 'necessary', indicating a similar level of importance for making a booking.
advance booking is essential
Highlights the importance of booking ahead of time and emphasizes the necessity.
prior booking is needed
Uses 'needed' instead of 'required', offering a slightly less formal tone.
you must book in advance
Shifts to a direct instruction format emphasizing the user's action.
an appointment is necessary
Substitutes 'reservation' with 'appointment', suitable for specific contexts like medical visits.
prior arrangement is mandatory
Indicates a formal requirement for making arrangements beforehand.
pre-booking is compulsory
Uses 'compulsory' to stress that pre-booking is obligatory and enforced.
it is imperative to book ahead
Highlights the critical importance of booking in advance.
early registration is advised
Recommends early registration but implies it may not be strictly enforced.
please ensure you have a booking
Politely requests confirmation of a booking.
FAQs
What does it mean when a "reservation is required"?
It means you must book a spot in advance to attend an event, use a service, or enter a venue. Without a reservation, you may be denied access.
How far in advance should I make a reservation?
The timeframe varies. For popular events or restaurants, booking weeks or months ahead is recommended. Check the specific guidelines provided by the establishment or event organizer.
What can I say instead of "reservation is required"?
You can use alternatives like "booking is necessary", "advance booking is essential", or "prior booking is needed" depending on the context.
Is it possible to get in without a reservation if "reservation is required"?
It's highly unlikely, especially for events with limited capacity. However, it doesn't hurt to inquire, particularly if there are cancellations or no-shows.
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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