check in

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See also: checkin, check-in, and checkin'



check in (third-person singular simple present checks in, present participle checking in, simple past and past participle checked in)

  1. To announce or record one's own arrival at a hotel, airport etc.
    We got to the hotel last night and checked in at the front desk.
  2. To verify a person's information and record their arrival, such as at a hotel, airport, etc.
    The clerk checked us in at the front desk.
  3. To contact another person in order to keep the other person informed of one's situation.
    Kelly has to check in with her parole officer today.
    • 2016, Carla Tantillo Philibert, Everyday SEL in Elementary School, →ISBN:
      During the 2 minutes of music, students first PAUSE to check in with how they are feeling.
  4. (transitive) To return (a book to a library, source code to a repository, etc.).
  5. To visit in order to see how someone is doing.
    I just wanted to check in after your accident. How are you recovering?
    • 2017 January 26, Christopher D. Shea, “‘T2 Trainspotting’: The Early Reviews”, in New York Time[1]:
      The sequel checks in with the unmoored but largely lovable characters from the first movie as they face middle age.
  6. (prison slang) To enter solitary confinement at one's own request for protection from other prisoners.
  7. (software) To integrate new revisions into the public or master version of a file in a version control system.

Related terms[edit]





  • (file)


check in

  1. first-person singular present indicative of inchecken
  2. imperative of inchecken