state line state highway • state mutual · · · Info · Definitions · Synonyms · Characters · · state line · · Text Common · · Latin · · Scripts 10 · · Length 2 · · Syllables Definitions · · · (noun) the boundary between two states. Synonyms: state line, state boundary. · · Noun Definition 1 Synonyms · · · state boundary · · Synonym 1 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E s latin small letter s U+0073 t latin small letter t U+0074