twelve Twelfthtide • twelve-acre · · · Info · Definitions · Synonyms · Characters · · twelve · · Text Latin · · Script 6 · · Length 1 · · Syllables Definitions · · · (noun) the cardinal number that is the sum of eleven and one. Synonyms: 12, XII, dozen. · · Noun Definition 1 (adj) denoting a quantity consisting of 12 items or units. Synonyms: 12, xii, dozen. · · Adjective Definition 1 Synonyms · · · 12 · · Synonym 1 xii · · Synonym 2 dozen · · Synonym 3 Characters · · e latin small letter e U+0065 l latin small letter l U+006C t latin small letter t U+0074 v latin small letter v U+0076 w latin small letter w U+0077