gynarchy UK /ˈɡaɪˌnɑːki/US /ˈɡaɪˌnɑɹki/ noun2 •A government ruled by a woman or women.But I have always some hopes of a change under a Gunarchy ; where whim and humour commonly prevail, reason very seldom, and then only by a lucky mistake. — 1759 •Government by a woman or women.They did not band themselves together for or against anarchy or gynarchy, monarchy or hierarchy, or any form of civil or religious government, but simply against slavery. — 1836 formsgynarchies