全ぜん権けん公こう使しぜんけんこうしMeanings1nounminister plenipotentiaryA diplomatic rank below ambassador, with full authority to represent the sending state. Used in historical and formal contexts.彼かれは全ぜん権けん公こう使しとして条じょう約やく交こう渉しょうに臨のぞんだ。He attended the treaty negotiations as minister plenipotentiary.