xxi

XXI (twenty-first)

numeral BEHN-tee-oo-NOH Less Common

Usage Note

XXI is the Roman numeral for twenty-one, almost exclusively encountered as siglo XXI ('the twenty-first century'). It is read aloud as veintiuno (cardinal) or vigésimo primero (ordinal). Spanish texts discussing contemporary affairs routinely use siglo XXI as a set phrase; learners will encounter it constantly in journalism and academic writing.

Examples

"Vivimos en el siglo XXI."

Natural Translation

We live in the twenty-first century.

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