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  • sign-up
    sign-up
    noun
    an act or instance of signing up.
  • sign up
    sign up
    verb
    (adverb) to enlist or cause to enlist, as for military service
Synonyms

sign-up

American  
[sahyn-uhp] / ˈsaɪnˌʌp /
Or signup

noun

  • sign-ups
    plural
  1. an act or instance of signing up.


sign up British  

verb

  1. (adverb) to enlist or cause to enlist, as for military service

"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

sign up Idioms  
  1. Enlist in an organization; also, register or subscribe to something. For example, He signed up for four years in the navy, or Are you planning to sign up for that pottery class? [Early 1900s]


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:

For one thing, they automate the sign-up process somewhat, or at least it put it into state hands to complete.

From MarketWatch Jun. 11, 2026

No one forced him to sign-up, he said, but the idea was constantly present.

From Barron's Jun. 11, 2026

States will be responsible for the sign-up process, but it’s unclear what happens after that.

From The Wall Street Journal Jun. 11, 2026

Netflix doesn’t ask subscribers for personal information in the sign-up process, as it can discourage people from buying the service.

From Los Angeles Times May 16, 2026

“Thanks,” said Fadi, eyeing the photo club sign-up sheet.

From "Shooting Kabul" by N. H. Senzai

California law already bans a practice known as capping, in which non-attorneys directly solicit or procure clients to sign up for lawsuits with a law firm.

From Los Angeles Times Aug. 27, 2026

“We should have had that ‘Ted Lasso’ yellow believe sign up there.”

From The Wall Street Journal Aug. 26, 2026

The commander of one battalion is offering troops who sign up for more years of service four days off for the November 19 launch of the highly anticipated video game.

From Barron's Aug. 20, 2026

It was this comment that led to the birth of Cockroach Janta Party, an online satirical movement, which saw millions of students and young people sign up.

From BBC Aug. 18, 2026

I see the stupid motel sign up ahead, and my stomach clenches up even more.

From "Isaiah Dunn Is My Hero" by Kelly J. Baptist

It is understood that the majority of the data accessed was restricted to customer email addresses and related to WiFi sign-ups within the airports' terminals.

From BBC Aug. 27, 2026

They accounted for 65% of American Express’s new consumer accounts globally in the second quarter, and more than three-quarters of Amex’s premium credit card sign-ups in the U.S.

From The Wall Street Journal Aug. 18, 2026

The service saw 2.8 million sign-ups in June, its strongest month since the service’s launch last year.

From Los Angeles Times Aug. 6, 2026

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

In the morning the principal had announced sign-ups for football and cheerleading and other stuff.

From "Crash" by Jerry Spinelli

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