Did you know?

Click any word in a definition or example to find the entry for that word

book in

 - definition
Close

What are red words?

90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent.

Close

Thesaurus

The thesaurus of synonyms and related words is fully integrated into the dictionary entries. Click on the T button in an entry to review the synonyms and related words for that meaning.

more
phrasal verb British
Word Forms
Close
present tense
I/you/we/theybook in
he/she/itbooks in
present participlebooking in
past tensebooked in
past participlebooked in
  1. 1
    [transitive] to arrange for yourself or someone else to stay at a hotel, hospital etc
    book someone in at something:

    He's booked himself in at a health spa.

  2. 2
    [intransitive] to announce that you have arrived at a hotel or event so that your name can be put on an official record. You can also say check in, which is the usual American word

    I'd just arrived at the conference and hadn't had time to book in.

See also main entry: book

kimchi

a Korean dish made from fermented cabbage or other vegetables, garlic and spices

BuzzWord Article

Open Dictionary

jones

a compulsive desire for something; an addiction to something

add a word

Blog

A must for anyone with an interest in the changing face of language. The Macmillan Dictionary blog explores English as it is spoken around the world today.

global English and language change from our blog