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
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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. Angelique Brenes, PEOPLE, 26 May 2026 To receive Morning Links in your inbox every weekday, sign up for our Breakfast with ARTnews newsletter. Devorah Lauter, ARTnews.com, 26 May 2026 To sign up to get this newsletter delivered every Monday to your inbox, click here. Marisa Ingemi, Los Angeles Times, 26 May 2026 Whoop, meanwhile, doesn’t charge for the hardware itself, but requires users to sign up for membership plans that start at $200 a year, without which the device is useless. Bloomberg, Mercury News, 26 May 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 29 May. 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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