逆ぎゃく心しん

noun

treachery; rebellious intent

A somewhat literary or formal term for the intention to betray or rebel, often used in historical or dramatic contexts.

• 家か臣しんの逆ぎゃく心しんが露ろ見けんし、主しゅ君くんは激げき怒どした。

  The vassal's treachery was exposed, and the lord flew into a rage.