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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:

I have opened new cards to get the free sign-up bonuses.

From MarketWatch Sep. 16, 2026

There is no advance sign-up required, unlike the U.K.’s new entry rules.

From The Wall Street Journal Aug. 12, 2026

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

Ruth had already handed her the sign-up clipboard.

From "Legendary Frybread Drive-In" by Cynthia Leitich Smith

But getting a large segment of Meta’s 3.6 billion users to sign up seems daunting.

From The Wall Street Journal Sep. 18, 2026

The custodians who manage these plans, like Fidelity and Vanguard, will make it easy at age 50 or 60 to sign up for a guaranteed-income plan when the time comes.

From MarketWatch Sep. 8, 2026

Eat Social, which operates a cafe in Wensum Street, Norwich, is launching the campaign in October, asking people to sign up to take part in the two-day task.

From BBC Sep. 7, 2026

When Manning's boys where born, "immediately we were sent something in the mail to sign up," she said.

From Barron's Aug. 27, 2026

“I’ve engaged him to sign up with us. Seems to me we struck lucky a coming here.”

From "The Golden Compass" by Philip Pullman

A "social supermarket" offering low cost groceries and budgeting advice says it has had 600 sign-ups in its first year.

From BBC Sep. 10, 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

There have now been 7 million sign-ups, and 1.7 million of those accounts are eligible for the $1,000 in seed money, according to fresh figures from the Treasury Department.

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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