a coup de grâce

a coup de grace

(formal)

an action or event which ends or destroys something that is gradually becoming worse Jane's affair delivered the coup de grace to her failing marriage.

Common Names:

Name	Pronounced	Usage
Ambrosine	am-BRO-zeen	English (Rare)
Jadranka	-	Croatian, Serbian, Slovene
Valentijn	VAH-lən-tien	Dutch
Zosimus	-	Ancient Greek (Latinized)
Rheanna	ree-AN-ə	English (Rare)
Kamatchi	-	Tamil