不ふ倶ぐ戴たい天てん

noun

irreconcilable enemy; mortal foe

Yojijukugo expressing a deep, irreconcilable hatred; literally 'cannot share the same sky'. Used in formal or literary contexts to describe a sworn enemy one cannot coexist with.

• 彼かれは不ふ倶ぐ戴たい天てんの敵てきとして、その政せい治じ家かを激はげしく非ひ難なんした。

  He fiercely denounced the politician as his mortal enemy.

• 不ふ倶ぐ戴たい天てんの思おもいを抱いだいて復ふく讐しゅうを誓ちかった。

  With irreconcilable hatred, he swore revenge.