A supreme or master diplomat; a person of the highest skill in international relations and negotiations.
Formed from 'arch-' (chief, supreme) and 'diplomatist' (a diplomat), from French 'diplomate.' This term is literary rather than official, appearing in 19th-century political fiction to describe exceptionally cunning statecraft.
Writers used 'archdiplomatist' to describe figures like Metternich or Richelieu—it captures how 19th-century political literature treated diplomacy as an almost superhuman art, with masterminds operating above ordinary negotiators.
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