[ chek-in ]
/ ˈtʃɛkˌɪn /
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the act or fact of checking in.
In effect, this quiz will prove whether or not you have the skills to know the difference between “affect” and “effect.”
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The rainy weather could not ________ my elated spirits on my graduation day.
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Origin of check-in

First recorded in 1915–20; noun use of verb phrase check in
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use check-in in a sentence

British Dictionary definitions for check-in

check in

verb (adverb)
(intr) to record one's arrival, as at a hotel or for work; sign in or report
(tr) to register the arrival of (passengers, etc)
noun check-in
  1. the formal registration of arrival, as at an airport or a hotel
  2. (as modifier)check-in time
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

Other Idioms and Phrases with check-in

check in


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.


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

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.