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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

check-in

American  

[chek-in] / ˈtʃɛkˌɪn /

noun

• check-ins
  plural

1. the act or fact of checking in.

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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)

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noun

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

   2. ( as modifier )

      check-in time

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

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 .

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Other Word Forms

Noun Inflected Forms

• check-ins
  plural

Etymology

Origin of check-in

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

Example Sentences

See Examples For:

check-in check in check-ins

At Narita, sleeping bags piled up as passengers slept all over the terminal, with massive lines forming for check-in across the airport.

From Barron's ● Aug. 14, 2026

He flew to Glasgow on Friday evening, arriving at about midnight, to discover no check-in bags had been put on the flight.

From BBC ● Aug. 9, 2026

A quick coffee or email check-in keeps you top of mind for people who might be terrific resources.

From MarketWatch ● Jul. 24, 2026

When I walked in, the only immediate clue that the doctor there had just won a much-contested congressional primary was a small cluster of campaign posters bearing his name behind the check-in desk.

From Slate ● Jul. 14, 2026

Ms. Paige would do an hourly check-in soon.

From "The Marvellers" by Dhonielle Clayton

So I do check in with family and friends, give them my routes at the beginning of the walk, my ETA for when I finish.

From BBC ● Aug. 23, 2026

And he saw it as a good time to check in.

From Los Angeles Times ● Aug. 19, 2026

Bezos is expected to invest in the deal through K5 Global, a major SpaceX investor run by Michael Kives and Bryan Baum that would make the largest check in the deal, the people said.

From The Wall Street Journal ● Aug. 11, 2026

"But when you come down, come and be safe. Swim near an open lifeguard tower, check in with that lifeguard for current ocean conditions and what's going on in that area as far as hazards."

From Barron's ● Aug. 1, 2026

He suggested to Quirin and Heinck to check in to the nearby Hotel Chesterfield, just off Broadway on Forty-Ninth Street.

From Nazi Saboteurs by Samantha Seiple

Bosses are implementing morning and evening check-ins to help inexperienced employees course-correct and ask questions, said Barrocas, the CEO.

From The Wall Street Journal ● May 26, 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

Urbina had fled Nicaragua in 2022 and legally resided with her husband, a fellow asylum-seeker, in New Orleans while reporting to immigration agents for check-ins as she awaited her day in court.

From Salon ● May 2, 2026

Court filings show many California cases involve longtime U.S. residents unexpectedly hauled off to jail after routine check-ins with immigration officials.

From Los Angeles Times ● Apr. 19, 2026

I reached out to feel the language on my skin for the first time since Minerva had breathed her words over my forehead when she thought I was sleeping during her nightly check-ins.

From "The Marrow Thieves" by Cherie Dimaline