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
Kelsey	KEL-see	English
DÉSirÉ	de-zee-RE	French
Zelophehad	-	Biblical
AgnÈS	an-YES (French)	French, Catalan
Everett	['evərit]
Calvus	-	Ancient Roman