Rare ·Advanced level

Definitions

Noun

1. 1
   the cardinal number that is the sum of twenty and one wordnet

Adjective

1. 1
   being one more than twenty wordnet

Synonyms

All synonyms

2121twenty onetwenty-onetwenty-one

Example

More examples

"In the XXI century it is necessary to know at least one foreign language."

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.