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Definition 2024


twenty-one

twenty-one

See also: twentyone and twenty one

English

English cardinal numbers
 <  20 21 22  > 
    Cardinal : twenty-one
    Ordinal : twenty-first

Alternative forms

Numeral

twenty-one

  1. 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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Noun

twenty-one (uncountable)

  1. (card games) Blackjack.
    • 1978, Lawrence Durrell, Livia, Faber & Faber 1992 (Avignon Quintet), p. 398:
      They were to spend many an evening together sitting round the old kitchen table playing twentyone [...].
  2. (sports) A basketball-based game in which players attempt to score exactly twenty-one points.

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See also