sign up

verb

Definition of sign up

  1. intransitive verb
  2. :  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

play \ˈsī-ˌnəp\ noun or adjective

1875

First Known Use of sign up

1875



Seen and Heard

What made you want to look up sign up? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a rounded knoll or a ridge of ice

Get Word of the Day daily email!