twenty-one

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Adjective twenty-one has 1 sense

twenty-one, 21, xxi - being one more than twenty
Antonym: ordinal (indirect, via cardinal)

Noun twenty-one has 2 senses

twenty-one, 21, XXI - the cardinal number that is the sum of twenty and one
--₁ is a kind of large integer
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 bank up to but not exceeding 21
--₂ is a kind of card game, cards

twenty-five twenty-five percent twenty-four twenty-four hours twenty-fourth twenty-nine twenty-ninth twenty-odd twenty-one twenty-second twenty-seven twenty-seventh twenty-six twenty-sixth twenty-something twenty-somethings twenty-third

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