sign up

verb

signed up; signing up; signs up

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 

noun or adjective

Synonyms

• enlist (in)
• enroll (in)
• enter
• join
• sign on (for)

Examples of sign up in a Sentence

they both signed up for a Spanish class

Recent Examples on the Web

These days, signing up for a consumer credit card or opening a personal savings account is often as easy as signing up for a Netflix subscription. —Sal Rehmetullah, Forbes, 24 Oct. 2024

Read on for step-by-step instructions on how to sign up for Apple TV Plus’ free trial. —Jason Pham, StyleCaster, 24 Oct. 2024

Those receiving qualifying government assistance, including SNAP, WIC, and Medicaid, can sign up for Walmart+ Assist for $6.47 a month or $49 a year. —Jon Winkler, USA TODAY, 12 Oct. 2024

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. —Brian Brant, People.com, 12 Oct. 2024

Word History

First Known Use

1875, in the meaning defined above

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