throughway through-tube boiler • through way · · · Info · Definitions · Synonyms · Characters · · throughway · · Text Latin · · Script 10 · · Length 2 · · Syllables Definitions · · · (noun) a broad highway designed for high-speed traffic. Synonyms: expressway, freeway, motorway, pike, state highway, superhighway, thruway. · · Noun Definition 1 Synonyms · · · expressway · · Synonym 1 freeway · · Synonym 2 motorway · · Synonym 3 pike · · Synonym 4 state highway · · Synonym 5 superhighway · · Synonym 6 thruway · · Synonym 7 Characters · · a latin small letter a U+0061 g latin small letter g U+0067 h latin small letter h U+0068 o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074 u latin small letter u U+0075 w latin small letter w U+0077 y latin small letter y U+0079