1 of 2


: an act or instance of checking in

check in

2 of 2


checked in; checking in; checks in

intransitive verb

: to register at a hotel
When you arrive at the hotel, please check in at the front desk.
Once we've checked in and dropped off our luggage, we'll meet you in the lobby.
A regular at MGM Resorts properties, she uses her phone to pull up the M Life smartphone app, where she can check in remotely.Bryan Horwath
: to report one's presence or arrival
check in at a convention
Airlines may also require passengers to submit documentation for their service animals at least 48 hours in advance of the date of travel. But those passengers will now be allowed to check in online instead of in person.Chicago Tribune
US : to find out or report the status of someone or something especially as part of a regular pattern of communication or monitoring
She checks in with her boss/team every Friday.
I'm just checking in to find out how your doctor's appointment went.
Asking for feedback can definitely be scary, but it's good to check in and get some constructive criticism on how you're doing.Nancy Valev
often followed by on or with
I'm just checking in with you to find out how your doctor's appointment went.
All parents should have a system where they check in with their kids frequently.James Lehman
He will be required to check in with a probation officer every week at the outset, and undergo drug and alcohol testing and complete psychological counseling.Cory Schaffer
During the early afternoon, Mrs. Ruane … checked in on the patient who had returned from her procedure.Pohla Smith
"… Millions of Americans use social media every day to check in on friends and family, learn about current events, and share their experiences online. … "Shayne Adamski
"… But, Shirley, thank you so much. I'll check in with you again as the story unfolds, OK?"Drew Pinsky
We access our work email on our phones, catch up on messages during our commutes and even when we're out at lunch, check in on work before bed—some of us feel like we have to just to be good employees.Alan Henry
… suggests … setting up Remote Desktop so that you can check in on the systems from afar …Andrew Cunningham

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
The price starts at $875 per night, and 95 percent of recent guests gave the self check-in process a 5-star rating. Angel Saunders, Peoplemag, 15 Sep. 2023 When your goals are well-defined, team members will understand the expectations and priorities without the need for frequent check-ins. Jasmine Browley, Essence, 13 Sep. 2023 There are check-in lines, security lines, lines to board the plane, lines to exit, lines for customs, and lines at the luggage claim area. Christopher Elliott, USA TODAY, 9 Sep. 2023 These days, Sam and I have fallen into a seamless rhythm, marked by consensual agreements and frequent check-ins. Natalie Babcock, Los Angeles Times, 8 Sep. 2023 The Space The check-in counter of the lounge is located opposite its entrance and is conveniently next to the grab-and-go section stocked with non-alcoholic drinks and pre-packaged salads, sandwiches, and desserts made daily on-site. Dobrina Zhekova, Travel + Leisure, 6 Sep. 2023 Something as simple as having a check-in would do you both well. Meghan Rose, Glamour, 1 Sep. 2023 Upon check-in guests received a beauty-mini-bar bag with dozens of products from emerging and established brands. Melinda Sheckells, The Hollywood Reporter, 1 Sep. 2023 Her parents and sister dropped her off at school on Aug. 17, and courtiers released shots of the princess shaking hands with an official, hugging her mom and wheeling her suitcase towards check-in. Kimberlee Speakman, Peoplemag, 30 Aug. 2023 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'check-in.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use


1927, in the meaning defined above


1918, in the meaning defined at intransitive sense 1

Time Traveler
The first known use of check-in was in 1918

Dictionary Entries Near check-in

Cite this Entry

“Check-in.” Dictionary, Merriam-Webster, Accessed 23 Sep. 2023.

Kids Definition


1 of 2 noun
: an act or instance of checking in

check in

2 of 2 verb
: to register at a hotel or motel
: to report one's presence or arrival
: to bring back : return
checked in the equipment

More from Merriam-Webster on check-in

Last Updated: - Updated example sentences
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