nineteen nineted • nineteenfold · · · Info · Definitions · Synonyms · Characters · · nineteen · · Text Latin · · Script 8 · · Length 3 · · Syllables Definitions · · · (noun) the cardinal number that is the sum of eighteen and one. Synonyms: 19, XIX. · · Noun Definition 1 (adj) being one more than eighteen. Synonyms: 19, xix. · · Adjective Definition 1 Synonyms · · · 19 · · Synonym 1 xix · · Synonym 2 Characters · · e latin small letter e U+0065 i latin small letter i U+0069 n latin small letter n U+006E t latin small letter t U+0074