\ˈchek-ˌin \

Definition of check-in 

(Entry 1 of 2)

: an act or instance of checking in

check in


Definition of check in (Entry 2 of 2)

intransitive verb

1 : to register at a hotel

2 : to report one's presence or arrival check in at a convention

transitive verb

: to satisfy all requirements in returning check in the equipment after using

Examples of check-in in a Sentence

Recent Examples on the Web: Verb

Amid all this, the New York Times reported that President Trump gave Cohen a casual phone call to check in. Benjamin Hart, Daily Intelligencer, "Report: Feds Seized Recordings From Michael Cohen," 13 Apr. 2018 Officers will be required to stop in at least one school in their coverage area during each shift to check in with staff and talk to students; the goal is for officers to learn the layout of the school in the event of an emergency, Gardner said. Kate Magill, Columbia Flier, "Howard County looks to add door locks, 4 officers to bolster school security," 27 Mar. 2018 Smith said admission staff have already begun to meet with parents about the new campus as well as check in with consultants and Chicago-area groups dedicated to improving outcomes for children with dyslexia and other learning disabilities. Howard Ludwig, Daily Southtown, "Hyde Park Day School expands to Mount Assisi Academy in Lemont," 27 Mar. 2018 Don’t hold out hope, don’t check in on her, don’t keep tabs. Grace Gavilanes, ajc, "Real people whose exes moved on really quickly share their side of the story," 13 July 2018 Don’t hold out hope, don’t check in on her, don’t keep tabs. Grace Gavilanes, ajc, "Real people whose exes moved on really quickly share their side of the story," 13 July 2018 Much like with pain relievers, there are other kinds of preventive drugs that may work for your migraines, so check in with your doctor for guidance. Korin Miller, SELF, "How to Tell if Vestibular Migraines Are Why You Get Dizzy So Often," 12 July 2018 Don’t hold out hope, don’t check in on her, don’t keep tabs. Grace Gavilanes,, "Real People Whose Exes Moved on Really Quickly Share Their Side of the Story," 11 July 2018 There will be 26 trophies awarded among the exhibitors, who must pre-register for free and check in at the show from 7:30 to 9 a.m. Vehicle owners have the option of also participating in the afternoon parade. Elizabeth Marie Himchak, Rancho Bernardo, "Fair, parade and fireworks returning to Rancho Bernardo," 28 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'check-in.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of check-in


1927, in the meaning defined above


1918, in the meaning defined at intransitive sense 1

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Time Traveler for check-in

The first known use of check-in was in 1918

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More Definitions for check-in



English Language Learners Definition of check-in

: the act or process of reporting that you have arrived at a hotel, an airport, etc. : the act or process of checking in; also : the time when people are allowed to check in

: the place where people go when they arrive at a hotel, airport, etc.

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More from Merriam-Webster on check-in

See words that rhyme with check-in

Spanish Central: Translation of check-in

Britannica English: Translation of check-in for Arabic Speakers

Comments on check-in

What made you want to look up check-in? Please tell us where you read or heard it (including the quote, if possible).


to reject or criticize sharply

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