a person, especially a diplomatic agent, invested with full power or authority to transact business on behalf of another.
invested with full power or authority, as a diplomatic agent.
conferring or bestowing full power, as a commission.
absolute or full, as power.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use plenipotentiary in a sentence
There was no American plenipotentiary empowered to make any political compact with the Islanders.The Philippine Islands | John Foreman
A day or two after the new plenipotentiary had set out on his mission, he received a touching letter from his master.The History of England from the Accession of James II. | Thomas Babington Macaulay
He appears as it were the latter's unacknowledged representative ashore, a plenipotentiary without credentials.The Life of Nelson, Vol. I (of 2) | A. T. (Alfred Thayer) Mahan
None but the like-minded can come plenipotentiary to our court.A Plea for Captain John Brown | Henry David Thoreau
So far, we have alluded only to the instructions prepared before plenipotentiary departure.
British Dictionary definitions for plenipotentiary
(esp of a diplomatic envoy) invested with or possessing full power or authority
conferring full power or authority
(of power or authority) full; absolute
a person invested with full authority to transact business, esp a diplomat authorized to represent a country: See also envoy 1 (def. 1)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012