n.

1. （權利等的）宣告放棄；拋棄[C][U][（+of）]
   He made a renunciation of his chairmanship.

   他聲明放棄會長一職。

2. 宣布脫離關係；（對子女等的）拒絕承認[C][U][（+of）]
3. 【律】（對權利等的）放棄聲明書[C]
4. 克己[U]
   a life of complete renunciation as a nun

   修女過的那種清心寡欲的苦行生活

n.

1. the action of renouncing.
2. Law  express or tacit abandonment of a right or position.