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