IPA: //ˈsuːpərˌdɪpləmæt//
KK: /ˈsuːpərˌdɪpləˌmæt/
A highly skilled and effective representative of a government who negotiates and manages international relations.
The superdiplomat was able to resolve the conflict between the two countries with ease.
Superdiplomat → It is formed from "super-" (meaning above or beyond) and "diplomat" (from French *diplomate*, meaning a person who conducts negotiations). The word "superdiplomat" refers to a diplomat who operates at a higher level or with greater authority than usual.
Think of someone who is a diplomat but operates 'above' ('super-') the usual level of diplomacy, making them a superdiplomat.
No commonly confused words.