Longman Dictionary of Contemporary English homepage

Date: 1600-1700
Language: Medieval Latin
Origin: plenipotentiarius, from Latin plenus ( PLENTY3) + potens 'powerful'

plenipotentiary

noun
     
Related topics: Officials
plen‧i‧po‧ten‧tia‧ry plural plenipotentiaries [countable] formal or technical
PGO someone who has full power to take action or make decisions, especially as a representative of their government in a foreign country
plenipotentiary adjective

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