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  • check-in
    check-in
    noun
    the act or fact of checking in.
  • check in
    check in
    verb
    (intr) to record one's arrival, as at a hotel or for work; sign in or report
Synonyms

check-in

American  
[chek-in] / ˈtʃɛkˌɪn /

noun

check-ins plural
  1. the act or fact of checking in.


check in British  

verb

  1. (intr) to record one's arrival, as at a hotel or for work; sign in or report

  2. (tr) to register the arrival of (passengers, etc)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

noun

    1. the formal registration of arrival, as at an airport or a hotel

    2. ( as modifier )

      check-in time

  1. the place where one registers arrival at an airport, etc

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
check in Idioms  
  1. Record one's arrival at a hotel, conference, or other function, as in I asked the hotel if we could check in early . [Early 1900s] Also see check into , def. 2.

  2. Die, as in With the plane rapidly losing fuel, the pilot was sure he'd check in . [ Slang ; early 1900s] Also see check out .


Other Word Forms

Noun Inflected Forms

Etymology

Origin of check-in

First recorded in 1915–20; noun use of verb phrase check in

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

ICE picked him up at his annual check-in, and he disappeared for weeks, the government telling his family he had been sent to Cuba, which rarely accepts its nationals.

From Barron's Jul. 7, 2026

Large cracks were on walls, and the airport’s check-in areas and its baggage conveyor belt were covered with bricks.

From The Wall Street Journal Jun. 25, 2026

Fogel said the message appeared when turning on the TV, and alleged that a member of staff appeared hostile towards him on check-in.

From BBC Jun. 16, 2026

This week, as every week, we check in on the latest primary results, as well as complete our regularly scheduled check-in of California’s primary results.

From Slate Jun. 13, 2026

Up ahead, we could see the check-in point for our Havana charter flight.

From "Mountains Beyond Mountains" by Tracy Kidder and Michael French

She also regularly blocks out her lunch hour on her calendar so that she can check in with a caregiver or medical provider by phone.

From MarketWatch Jul. 7, 2026

Building in plenty of time to check in and complete the EES registration steps will help you to avoid missing your flight.

From BBC Jul. 5, 2026

In New York, the most populous US city, Mayor Zohran Mamdani urged residents to "stay cool, stay vigilant and check in on your neighbors."

From Barron's Jul. 3, 2026

Michael reached out to Amodei in January to check in after the holidays following weeks of delay in the negotiations, which had been ongoing since late last year.

From The Wall Street Journal Jul. 2, 2026

Ms. Jen would check in on her a couple of times.

From "The Stars Beneath Our Feet" by David Barclay Moore

As a result, many people accused of being in the country illegally have been detained and separated from their families when they show up for routine hearings and check-ins at courthouses.

From Los Angeles Times Jun. 24, 2026

CPL says its welfare processes are the "gold standard", Channel 4 says the programme has "robust" welfare systems including background checks, daily check-ins and psychological support.

From BBC May 20, 2026

These immigrants, many of whom were arrested “without warning at work, at routine check-ins with immigration authorities or after immigration court proceedings,” are fighting back with lawsuits against the federal government.

From Salon Apr. 21, 2026

Clear1, its identity-verification platform for businesses, had record bookings in the past quarter, and Clear has struck several deals with healthcare organizations to streamline patient check-ins and ID checks.

From The Wall Street Journal Mar. 25, 2026

I fortified myself with daily check-ins with my mom and dad.

From "Becoming" by Michelle Obama

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