dyarchy dyarchical • Dyas · · · Info · Definitions · Synonyms · Characters · · dyarchy · · Text Latin · · Script 7 · · Length 3 · · Syllables Definitions · · · (noun) a form of government having two joint rulers. Synonyms: diarchy. · · Noun Definition 1 Synonyms · · · diarchy · · Synonym 1 Characters · · a latin small letter a U+0061 c latin small letter c U+0063 d latin small letter d U+0064 h latin small letter h U+0068 r latin small letter r U+0072 y latin small letter y U+0079