main road mail-order house • Main street · · · Info · Definitions · Synonyms · Characters · · main road · · Text Common · · Latin · · Scripts 9 · · Length Definitions · · · (noun) a major road for any form of motor transport. Synonyms: highway. · · Noun Definition 1 Synonyms · · · main · · Synonym 1 briny · · Synonym 2 chief · · Synonym 3 primary · · Synonym 4 principal · · Synonym 5 master · · Synonym 6 independent · · Synonym 7 Characters · · space U+0020 a latin small letter a U+0061 d latin small letter d U+0064 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072