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
ˈsī-ˌnəp How to pronounce sign up (audio)
noun or adjective

Synonyms of sign up

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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.
More than 1,500 potential voters signed up for a meeting of the Los Angeles Continuum of Care board to pick a replacement for the core duties of the beleaguered Los Angeles Homeless Services Authority. — Los Angeles Times, 10 Oct. 2026 New users should sign up for Underdog using promo code FOXNEWS and enjoy $100 in bonus bets. — Outkick, FOXNews.com, 10 Oct. 2026 Faith didn’t sign up for acting lessons, instead taking the advice from director Shana Feste (Country Strong), who actually discouraged her from doing so. — Marissa R. Moss, Rolling Stone, 10 Oct. 2026 The website also urges those who sign up to check what time each cafe is open for business before visiting. — Anne Ewbank, Sacbee.com, 3 Oct. 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

Rhymes for sign up

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Browse Nearby Words

signum
sign up
sign vehicle
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Cite this Entry

“Sign up.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sign%20up. Accessed 14 Oct. 2026.

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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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