/
ˌplɛnɪpəˈtɛnʃ(ə)ri/
n.
(pl. plenipotentiaries)
a person, especially a diplomat, who is invested with the full power of independent action on behalf of their government.
adj.
having full power to take independent action.
▸(of power) absolute.
Etymology
C17: from med. L. plenipotentiarius, from plenus ‘full’ + potentia ‘power’.
