duplex house duplex boiler • duplexity · · · Info · Definitions · Synonyms · Characters · · duplex house · · Text Common · · Latin · · Scripts 12 · · Length 3 · · Syllables Definitions · · · (noun) a house with two units sharing a common wall. Synonyms: duplex house, duplex, semidetached house. · · Noun Definition 1 Synonyms · · · duplex · · Synonym 1 semidetached house · · Synonym 2 Characters · · space U+0020 d latin small letter d U+0064 e latin small letter e U+0065 h latin small letter h U+0068 l latin small letter l U+006C o latin small letter o U+006F p latin small letter p U+0070 s latin small letter s U+0073 u latin small letter u U+0075 x latin small letter x U+0078