1. (noun) twenty-one, 21, XXI
the cardinal number that is the sum of twenty and one
Synonyms: twenty-one, blackjack, vingt-et-un Antonyms: ordinal
2. (adj) blackjack, twenty-one, vingt-et-un
a gambling game using cards; the object is to hold cards having a higher count than those dealt to the banker up to but not exceeding 21
Synonyms: sap, black flag, jack oak, blackjack, vingt-et-un, pirate flag, twenty-one, cosh, blackjack oak Antonyms: ordinal
3. (adj) twenty-one, 21, xxi
being one more than twenty
Synonyms: xxi, twenty-one Antonyms: ordinal
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