sign-in
noun
an act, an instance, or a time of signing in.
sign-in
American
[sahyn-in]
/ ˈsaɪnˌɪn /
noun
sign in
British
verb
-
to sign or cause to sign a register, as at a hotel, club, etc
-
to make or become a member, as of a club
sign in
Idioms
Etymology
Origin of sign-in
First recorded in 1945–50; noun use of verb phrase sign in
Compare meaning
How does sign-in compare to similar and commonly confused words? Explore the most common comparisons:
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:
We shouldn’t have to sign-in every time we fire up the laptop and other devices.
From The Wall Street Journal ● Apr. 15, 2026
It provides a single sign-in portal that verifies and grants appropriate access to various programs.
From Barron's ● Feb. 5, 2026
Volunteers wrote Schaaf’s name on a sticky note and compared it to the sign-in sheet that helps keep track of people and find family.
From Seattle Times ● Aug. 19, 2023
That can include the author's relationship with other online accounts, their sign-in activity, review history, and any unusual behaviour.
From BBC ● Jun. 12, 2023
She turns the sign-in screen in my direction.
From "Merci Suárez Changes Gears" by Meg Medina
“Eventually, Mr. Seaver’s residence had a no-trespassing sign in the front yard and barbed wire draped across the handrails leading to the front door,” the filing alleged.
From MarketWatch ● Oct. 12, 2026
Anecdotally, I’ve seen just one Moulton sign in my neighborhood, which is in a more conservative part of Boston.
From Slate ● Sep. 1, 2026
Among all the discourse sparked by a “No Influencers” sign in a Nantucket store, one question cuts through: “Does hating influencers mean hating women?”
From The Wall Street Journal ● Aug. 4, 2026
The media and the money markets hung on his few public statements, and a sign in his office said simply, "the buck starts here".
From BBC ● Jun. 22, 2026
I had seen a help-wanted sign in the window of a jewelry store on McDowell Street called Becker’s Jewel Box.
From "The Glass Castle" by Jeannette Walls
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Get a wordDefinitions 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.
