plenipotentiary
noun/ˌplenɪpəˈtenʃəri/
/ˌplenɪpəˈtenʃieri/
(plural plenipotentiaries)
(specialist)- a person who has full powers to take action, make decisions, etc. to represent their government, especially in a foreign country
- He was promoted from minister plenipotentiary to full ambassador.
Word Originmid 17th cent.: from medieval Latin plenipotentiarius, from plenus ‘full’ + potentia ‘power’.
Check pronunciation:
plenipotentiary