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View synonyms for sign-in

sign-in

[ sahyn-in ]

noun

  1. an act, an instance, or a time of signing in.


sign in

verb

  1. to sign or cause to sign a register, as at a hotel, club, etc
  2. to make or become a member, as of a club
“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


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Word History and Origins

Origin of sign-in1

First recorded in 1945–50; noun use of verb phrase sign in
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Idioms and Phrases

Record one's arrival by signing a register, as in He signed in both himself and his wife . [c. 1930] For the antonym, see sign out .
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Compare Meanings

How does sign-in compare to similar and commonly confused words? Explore the most common comparisons:

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Example Sentences

Richardson disguised model consent forms as “sign-in” papers for a topless shoot.

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

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

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