English adjective: twenty-one | |||
| 1. | twenty-one being one more than twenty | ||
| Synonyms | 21, xxi | ||
| Similar | cardinal | ||
| Antonyms | ordinal | ||
English noun: twenty-one | |||
| 1. | twenty-one (quantity) the cardinal number that is the sum of twenty and one | ||
| Synonyms | 21, XXI | ||
| Broader (hypernym) | large integer | ||
| 2. | twenty-one (act) 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 | blackjack, vingt-et-un | ||
| Broader (hypernym) | card game, cards | ||