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plenipotentiary

[ plen-uh-puh-ten-shee-er-ee, -shuh-ree ]
/ ˌplɛn ə pəˈtɛn ʃiˌɛr i, -ʃə ri /
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noun, plural plen·i·po·ten·ti·ar·ies.

a person, especially a diplomatic agent, invested with full power or authority to transact business on behalf of another.

adjective

invested with full power or authority, as a diplomatic agent.
conferring or bestowing full power, as a commission.
absolute or full, as power.

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Origin of plenipotentiary

From the Medieval Latin word plēnipotentiārius, dating back to 1635–45. See plenipotent, -i-, -ary
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for plenipotentiary

British Dictionary definitions for plenipotentiary

plenipotentiary
/ (ˌplɛnɪpəˈtɛnʃərɪ) /

adjective

(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 plēnipotentiārius, from Latin plēnus full + potentia power
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
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