highroad highness • hight · · · Info · Definitions · Synonyms · Characters · · highroad · · Text Latin · · Script 8 · · Length Definitions · · · (noun) a highway. Synonyms: trunk road. · · Noun Definition 1 Synonyms · · · trunk road · · Synonym 1 Characters · · a latin small letter a U+0061 d latin small letter d U+0064 g latin small letter g U+0067 h latin small letter h U+0068 i latin small letter i U+0069 o latin small letter o U+006F r latin small letter r U+0072