枢すう要よう

na-adjective, noun which may take the genitive case particle 'no', noun

important; principal; pivotal; key; cardinal

Formal, somewhat literary term for something of central or crucial importance. Often used in political, organizational, or strategic contexts.

• 彼かれは党とう内ないで枢すう要ような地ち位いを占しめている。

  He holds a key position within the party.

• この港みなとは国こく際さい貿ぼう易えきの枢すう要ような拠きょ点てんだ。

  This port is a pivotal hub for international trade.