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
She said electrical works were not permitted in council properties and that this was made clear to tenants “at several points” in the tenancy sign-in.
From BBC ● Nov. 18, 2024
It is very easy to create a fake webpage that looks exactly like the Chase sign-in page, but the underlying URL is usually a dead giveaway.
From Seattle Times ● Feb. 21, 2023
He nods, and with that, she pulls out a printout of a sign-in sheet and lays it down in front of me.
From "Merci Suárez Changes Gears" by Meg Medina
The Minions restage the most famous stunts of Harold Lloyd and Buster Keaton and provide an alternative history of how the famous Hollywoodland sign in the hills got shortened to Hollywood.
From The Wall Street Journal ● Jul. 1, 2026
But 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
Now, the large Radio Korea sign in big, white block letters is gone, with just a shadow of an imprint.
From Los Angeles Times ● Jun. 6, 2026
Iran probably won’t put a minus sign in front of U.S. growth figures this year, but that doesn’t mean American investors are free and clear.
From The Wall Street Journal ● May 6, 2026
But she saw a sign in Baby’s questions too, although she could not yet decipher its meaning.
From "Half of a Yellow Sun" by Chimamanda Ngozi Adichie
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.
