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• sign-up
  sign-up

  noun

  an act or instance of signing up.
• sign up
  sign up

  verb

  (adverb) to enlist or cause to enlist, as for military service

sign-up

American  

[sahyn-uhp] / ˈsaɪnˌʌp /

Or signup

noun

1. an act or instance of signing up.

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sign up British  

verb

1. (adverb) to enlist or cause to enlist, as for military service

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sign up Idioms  

1. Enlist in an organization; also, register or subscribe to something. For example, He signed up for four years in the navy, or Are you planning to sign up for that pottery class? [Early 1900s]

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Etymology

Origin of sign-up

First recorded in 1945–50; noun use of verb phrase sign up

Example Sentences

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From Barron's • Mar. 1, 2026

Sign up over the door sayin' you'll be dismissed at once if you eat anything—see?

From Working With the Working Woman by Parker, Cornelia Stratton

Related Words

• appoint
• bring in
• draft
• employ
• engage
• enlist
• lease
• obtain
• pick
• promise
• rent
• retain
• select