what does envoy extraordinary mean?

ENVOY EXTRAORDINARY as NOUN

Meaning
- a diplomat having less authority than an ambassador
Synonym(s)
- envoy (what does envoy mean?)
- minister plenipotentiary (what does minister plenipotentiary mean?)
Hypernyms(s) envoy extraordinary is a kind of… Example: animal is a hypernym of mammal, plant is a hypernym of flower
- diplomat (what does diplomat mean?)
- diplomatist (what does diplomatist mean?)