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 | ||