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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

Tesla will report vehicle deliveries on Thursday, offering investors a chance to check in on the car business.

From Barron's • Jun. 30, 2026

One way to make this less of a sketchy move is to check in first.

From MarketWatch • Jun. 30, 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

Instead, the boss can try: “I value your perspective and would appreciate regular feedback. Is it OK for me to check in with you monthly?”

From The Wall Street Journal • Jun. 11, 2026

He wanted to check in with him quickly before calling Kathy.

From "Zeitoun" by Dave Eggers