sign-up
noun
an act or instance of signing up.
sign-up
American
[sahyn-uhp]
/ ˈsaɪnˌʌp /
Or
signup
noun
sign-ups
plural
sign up
British
verb
sign up
Idioms
Other Word Forms
Noun Inflected Forms
Etymology
Origin of sign-up
First recorded in 1945–50; noun use of verb phrase sign up
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:
Detainees previously used a sign-up sheet to meet with members of Congress or just started talking to detainees they encountered during facility tours.
From Los Angeles Times ● Jun. 12, 2026
No one forced him to sign-up, he said, but the idea was constantly present.
From Barron's ● Jun. 11, 2026
Howland is often overseas for work during sign-up season.
From The Wall Street Journal ● Mar. 15, 2026
On every room door there was a sign-up list.
From The Wall Street Journal ● Mar. 12, 2026
And in the middle of it all was the sign-up sheet for the Fall Fiesta talent show auditions.
From "The First Rule of Punk" by Celia C. Pérez
To get prepared for earthquakes, sign up for The Times’ Unshaken newsletter.
From Los Angeles Times ● Jul. 29, 2026
Or a Delta rep at check-in suggesting you sign up for the airline’s card so you don’t have to fork over $45 for a checked bag again.
From The Wall Street Journal ● Jul. 29, 2026
If you sign up before Aug. 14 and complete at least one of the challenges, we’ll mail you some fun stuff!
From Slate ● Jul. 28, 2026
But any child who is under 18 and has a valid Social Security number can sign up for a Trump account.
From MarketWatch ● Jul. 23, 2026
I could sign up for a class at the gun range, the optimistic part of me would think.
From "Miss Peregrine's Home for Peculiar Children" by Ransom Riggs
With around 1 million sign-ups monthly in the six months leading up to the launch, a Treasury Department spokeswoman said the launch has been a major success.
From MarketWatch ● Jul. 23, 2026
Moonshot AI posted on X over the weekend that exploding demand for Kimi K3 had pushed capacity to its limits, leading the company to temporarily pause new sign-ups to prioritize compute access for current members.
From MarketWatch ● Jul. 20, 2026
That’s little changed from last year and roughly a quarter of all sign-ups.
From The Wall Street Journal ● Jun. 2, 2026
Ad-supported plans now represent almost 50% of all premium subscription video-on-demand sign-ups in the U.S., up from 39% just two years ago, according to research firm Antenna.
From The Wall Street Journal ● May 12, 2026
In the morning the principal had announced sign-ups for football and cheerleading and other stuff.
From "Crash" by Jerry Spinelli
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.
