0 to agree to become involved in an organized activity: --
She's signed up for evening classes at the community college.
[ + to infinitive ] I've signed up to make the sandwiches for the party.
1 to join a group or organization: --
2 an occasion when you start doing or having something or start being a member of a group, especially by signing a document: --
3 someone who starts to do or have something, for example someone who opens a bank account: --
During the sign-up process, new members chose to which neighborhood they wanted to belong.
During its first month on the market, over 2,700 customers sign-up for the service.
The website had over 3,500 developers sign-up in its first month after launch.
Social time (a.k.a. refreshment, individual and group discussions, show-and-tell indepth reviews, more class sign-up, etc.) starts right after the business portion of the evening.
This encouraged considerable sign-up of new presenters, and by the second week of term there was full programming throughout weekdays.
This discount is applied automatically, with no sign-up or up-front commitment required.
The user can sign-up as a member and watch a few free videos or purchase a monthly or a yearly subscription.
Many activities were held to promote the concept of environmental conservation, including games and a sign-up campaign.