sign up

verb

signed up; signing up; signs up
Synonyms of sign upnext

intransitive verb

: to sign one's name (as to a contract) in order to obtain, do, or join something
sign up for insurance
sign up for classes
sign-up noun or adjective

Examples of sign up in a Sentence

they both signed up for a Spanish class
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Never miss a story — sign up for PEOPLE's free daily newsletter to stay up-to-date on the best of what PEOPLE has to offer​​, from celebrity news to compelling human interest stories. Rachel Raposas, PEOPLE, 16 June 2026 The measure makes permanent a previous decision to halt a special enrollment period that allowed very low-income people to sign up for ACA coverage year-round. Julie Appleby, Miami Herald, 16 June 2026 To receive Morning Links in your inbox every weekday, sign up for our Breakfast with ARTnews newsletter. Harrison Jacobs, ARTnews.com, 16 June 2026 To bid farewell to those two fees, however, customers will have to sign up for the free customer-rewards program Verizon also announced. Rob Pegoraro, PC Magazine, 16 June 2026 See All Example Sentences for sign up

Word History

First Known Use

1875, in the meaning defined above

Time Traveler
The first known use of sign up was in 1875

Browse Nearby Words

Cite this Entry

“Sign up.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sign%20up. Accessed 20 Jun. 2026.

Kids Definition

sign up

verb
(ˈ)sī-ˈnəp
: to sign one's name in order to get, do, or take something
signed up for Spanish
sign-up noun or adjective

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