xxi

Other forms of xxi

plural

xxis·

Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.

Questions about xxi

What does xxi mean?

xxi means "the cardinal number that is the sum of twenty and one". That is the primary sense; the word has 2 in total, listed in full on this page.

How many syllables are in xxi?

xxi has 1 syllable: xxi.

What is another word for xxi?

Close synonyms include twenty-one, 21, twenty-one, 21. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is xxi a common word?

xxi is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.