[ plen-uh-puh-ten-shee-er-ee, -shuh-ree ]
/ 藢pl蓻n 蓹 p蓹藞t蓻n 蕛i藢蓻r i, -蕛蓹 ri /
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noun, plural plen路i路po路ten路ti路ar路ies.
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.
Were you ready for a quiz on this topic? Well, here it is! See how well you can differentiate between the uses of "was" vs. "were" in this quiz.
Question 1 of 7
鈥淲as鈥 is used for the indicative past tense of 鈥渢o be,鈥 and 鈥渨ere鈥 is only used for the subjunctive past tense.

Origin of plenipotentiary

From the Medieval Latin word pl膿nipotenti膩rius, dating back to 1635鈥45. See plenipotent, -i-, -ary
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, 漏 Random House, Inc. 2022

How to use plenipotentiary in a sentence

British Dictionary definitions for plenipotentiary

/ (藢pl蓻n瑟p蓹藞t蓻n蕛蓹r瑟) /

(esp of a diplomatic envoy) invested with or possessing full power or authority
conferring full power or authority
(of power or authority) full; absolute
noun plural -aries
a person invested with full authority to transact business, esp a diplomat authorized to represent a countrySee also envoy 1 (def. 1)

Word Origin for plenipotentiary

C17: from Medieval Latin pl膿nipotenti膩rius, from Latin pl膿nus full + potentia power
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition 漏 William Collins Sons & Co. Ltd. 1979, 1986 漏 HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012