I. -chərē, -chēˌerē, -ri adjective
Etymology: Medieval Latin plenipotentiarius, adjective & noun, from Late Latin plenipotent-, plenipotens + -i- + Latin -arius -ary
1. : containing or conferring full power : invested with full power : absolute , unlimited
countries with plenipotentiary parliaments — E.V.Rostow
2. : of or relating to a plenipotentiary
II. noun
( -es )
Etymology: Medieval Latin plenipotentiarius
: a person invested with full power to transact any business ; especially : minister plenipotentiary