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
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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.
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
“It’s crucial that recording is done properly,” he said, adding that sign-in failures by a known absconder needed to be logged and passed back to the probation officer.
From BBC • May 23, 2024
Preserving content on Google Photos requires a specific sign-in.
From Seattle Times • Nov. 27, 2023
She turns the sign-in screen in my direction.
From "Merci Suárez Changes Gears" by Meg Medina
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.
