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.
Subscribers who sign up for one of the new plans will have access to all the product features offered on YouTube TV, including unlimited DVR, the ability to add up to six members on one account, and key plays and multiview. Todd Spangler, Variety, 9 Feb. 2026 Check out our Daily Deals for the best products at the best prices and sign up here to receive the BestReviews weekly newsletter full of shopping inspo and sales. Bestreviews, Sun Sentinel, 9 Feb. 2026 That date would mark the requisite six months since Williams signed up with the ITIA to rejoin the drug testing pool. Peter Sblendorio, New York Daily News, 9 Feb. 2026 Dig deep and sign up for Entertainment Weekly's free Survivor Weekly newsletter to have all the latest news, interviews, and commentary sent right to your inbox. Dalton Ross, Entertainment Weekly, 9 Feb. 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 14 Feb. 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

More from Merriam-Webster on sign up

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster