Definition of plenipotentiary
1 : invested with full power
2 : of or relating to a plenipotentiary
Origin of plenipotentiary
Medieval Latin plenipotentiarius, adjective & noun, from Late Latin plenipotent-, plenipotens
First Known Use: circa 1645
Simple Definition of plenipotentiary
: a person (such as a diplomat) who has complete power to do business for a government
Full Definition of plenipotentiary
: a person and especially a diplomatic agent invested with full power to transact business
First Known Use of plenipotentiary
Learn More about plenipotentiary
Britannica.com: Encyclopedia article about "plenipotentiary"
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