book out: meaning, definition, pronunciation and examples
B2Neutral to informal
Quick answer
What does “book out” mean?
To reserve all available places or accommodation, making something fully occupied or unavailable for further booking.
Audio
Pronunciation
Definition
Meaning and Definition
To reserve all available places or accommodation, making something fully occupied or unavailable for further booking.
To mark something as unavailable in a booking system; to be fully reserved or occupied; to schedule oneself out of availability.
Dialectal Variation
British vs American Usage
Differences
Both varieties use the phrasal verb similarly. British English might use 'book up' interchangeably in some contexts. American English slightly prefers 'booked solid' as an alternative adjective phrase.
Connotations
Neutral in both, indicating full capacity.
Frequency
Moderately common in both varieties, with similar frequency in travel, hospitality, and service industries.
Grammar
How to Use “book out” in a Sentence
[Subject] books out [Object][Object] is booked out[Subject] has booked out [Object] for [Time Period]Vocabulary
Collocations
Examples
Examples of “book out” in a Sentence
verb
British English
- The hotel tends to book out months ahead for the summer festival.
- I've had to book out the conference room for the whole day.
American English
- That new restaurant books out within minutes of reservations opening.
- We need to book out the photographer for our wedding date soon.
Usage
Meaning in Context
Business
Used for scheduling meetings, project timelines, or resource allocation (e.g., 'The consultant is booked out until Q3').
Academic
Rare; might refer to library materials or study rooms being fully reserved.
Everyday
Common for travel plans, restaurant reservations, appointments (e.g., 'The dentist is booked out for two weeks').
Technical
Used in logistics, hospitality management software, and appointment scheduling systems.
Watch out
Common Mistakes When Using “book out”
- Using 'book out' for a single reservation (incorrect: 'I booked out a table for two' – correct: 'I booked a table').
- Confusing 'book out' (make unavailable) with 'check out' (leave a hotel).
FAQ
Frequently Asked Questions
Similar, but not identical. 'Sell out' implies all items/tickets have been purchased. 'Book out' implies all available slots, times, or spaces have been reserved, which may or may not involve immediate payment (e.g., a free workshop can be 'booked out' but not 'sold out').
Yes, informally. It means to schedule someone so they have no free time (e.g., 'My personal trainer is booked out all morning').
They are often interchangeable, especially in British English. 'Book up' can sometimes sound slightly more informal. 'Book out' is more common when referring to venues or resources being made unavailable.
The correct past tense and past participle is 'booked out' (e.g., 'They booked out the villa', 'The villa was booked out'). 'Book outed' is incorrect.
To reserve all available places or accommodation, making something fully occupied or unavailable for further booking.
Book out is usually neutral to informal in register.
Book out: in British English it is pronounced /bʊk aʊt/, and in American English it is pronounced /bʊk aʊt/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “Booked out like a rock concert”
- “My calendar is booked out.”
Learning
Memory Aids
Mnemonic
Imagine a BOOK with all its pages filled OUT with appointments – no space left to write.
Conceptual Metaphor
AVAILABILITY IS SPACE (to be booked out = to have no space left).
Practice
Quiz
In which context is 'book out' used CORRECTLY?