twenty one

A form of twenty-one — The cardinal number occurring after twenty and before twenty-two, represented in Roman numerals as XXI and in Arabic numerals as 21.

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Meanings

numeral
  1. alternativeAlternative spelling of twenty-one.
Cite this entry
APA

twenty one. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/twenty%20one

MLA

“twenty one.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/twenty%20one. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “twenty one,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/twenty%20one.

Source: twenty one on Wiktionary, CC BY-SA 4.0.