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.
Access the American Express app to sign up for a lounge time slot. Ella Gonzales april 6, Fort Worth Star-Telegram, 6 Apr. 2026 To sign up to get this newsletter delivered every Monday to your inbox, click here. Ryan Kartje, Los Angeles Times, 6 Apr. 2026 Two hundred people have signed up. Stephanie Stahl, CBS News, 6 Apr. 2026 Aerial yoga, biohacking, meditation, facials with Tuscan brand Seed to Skin, sound therapy, a healing hammam, and a state-of-the-art fitness room are all on offer, meaning locals are also signing up for memberships. Condé Nast, Condé Nast Traveler, 31 Mar. 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 7 Apr. 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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