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sign up

verb

Definition of sign 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

play \ˈsī-ˌnəp\ noun or adjective

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First Known Use of sign up

1875

Learn More about sign up

  1. See words that rhyme with sign up Thesaurus: All synonyms and antonyms for sign up Nglish: Translation of sign up for Spanish speakers Britannica English: Translation of sign up for Arabic speakers

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