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

Popular electronics store Best Buy offers customers the opportunity to sign up for memberships, including a free one, that gives them access to several perks. —Jonathan Limehouse, USA TODAY, 30 Nov. 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. —Hannah Sacks, People.com, 30 Nov. 2024

Within 10 minutes of signing up and answering the personality questions, I was booked for a dinner party the following Wednesday. —Allie Volpe, Vox, 14 Nov. 2024

Most of the higher-end photo software follows Adobe's lead in trying to get customers to sign up for a subscription. —PCMAG, 12 Nov. 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