Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

English definition of “check in”

check in

phrasal verb with check    /tʃek/ verb
to report your arrival, esp. at an airport or hotel, so that you can get the service you are paying for: Be sure to check in at least an hour before your flight.
(Definition of check in from the Cambridge Academic Content Dictionary © Cambridge University Press)
Focus on the pronunciation of check in

Browse related topics

You are looking at an entry to do with Arrivals and departures, but you might be interested in these topics from the Movement and location topic area:

Definitions of “check in” in other dictionaries

Translations of “check in”

Word of the Day

limber up

to do gentle exercises to stretch the muscles in order to prepare the body for more active physical exercise

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More