xvi xv • xvii · · · Info · Definitions · Synonyms · Characters · · xvi · · Text Latin · · Script 3 · · Length 1 · · Syllables Definitions · · · (noun) the cardinal number that is the sum of fifteen and one. Synonyms: sixteen, 16, XVI. · · Noun Definition 1 (adj) being one more than fifteen. Synonyms: sixteen, 16. · · Adjective Definition 1 Synonyms · · · sixteen · · Synonym 1 16 · · Synonym 2 Characters · · i latin small letter i U+0069 v latin small letter v U+0076 x latin small letter x U+0078