{n} a person given full authority and power to fulfill a task or duty
---
a diplomatist possessing absolute authority on condition that he never exert it.
Ambose Bierce. The Devil's Dictionary (1911)
► uses
Uses:
he would be king of all the Americans, too, if Americans could ever accept a king. You do not believe it? Well, then, look at the plenipotentiaries of all nations and our own ministers themselves crowding about his door, entreating his counsels, begging for his
Jules and Michel Verne. In the Year 2889
---
This led to Mr. Wopsle's (who had never been heard of before) coming in with a star and garter on, as a plenipotentiary of great power direct from the Admiralty, to say that the Swabs were all to go to prison on the spot,
Charles Dickens. Great Expectations (1861)
---
But who, the reader has been asking, was the Marquis de Norpois? Well, he had been Minister Plenipotentiary before the War, and was actually an Ambassador on the Sixteenth of May; in spite of which, and to the general astonishment, he had since been several times chosen to represent France on Extraordinary Missions,—