sign-up

/ˈsaɪnˌʌp/

noun

The act of signing up, as for a commercial service or a committee.

Opposite
cancellationcancelationresignation
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Meanings

nounsign-up (plural sign-ups)

plural sign-ups · alternative signup

  1. The act of signing up, as for a commercial service or a committee.

    Antonyms: cancellation, cancelation, resignation

Synonyms & antonyms

nounThe act of signing up, as for a commercial service or a committee.

Opposite
cancellationcancelationresignation

Origin

Deverbal from sign up.

Full word history & related roots →
Cite this entry
APA

sign-up. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/sign-up

MLA

“sign-up.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sign-up. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “sign-up,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/sign-up.

Source: sign-up on Wiktionary, CC BY-SA 4.0.