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

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.
To sign up to get this newsletter delivered every Monday to your inbox, click here. Connor Dullinger, Los Angeles Times, 23 June 2026 Don't miss any Taylor Swift news; sign up for the free, weekly newsletter This Swift Beat. Bryan West, USA Today, 2 July 2026 Starting at age 10, kids can also sign up as counselors-in-training, helping younger campers in the morning and taking classes with their own age group in the afternoon. Lauren Schuster, Miami Herald, 24 June 2026 Listen to Life Kit on Apple Podcasts and Spotify, and sign up for our newsletter. Malaka Gharib, NPR, 1 July 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 Jul. 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

Love words? Need even more definitions?

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