noun (plural ministers plenipotentiary) Date: 1783 a diplomatic agent ranking below an ambassador but possessing full power and authority
MINISTER PLENIPOTENTIARY
Meaning of MINISTER PLENIPOTENTIARY in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012