noun. A stroke or blow that causes death.

noun. A destructive event or occurrence.

noun. A blow causing death; a mortal blow.

noun. Figuratively, something which destroys, extinguishes, or blights.

noun. A mortal or crushing blow; a stroke or event which kills or destroys.

noun. A strike or blow that leads to death, especially a coup de grace

noun. Something that prevents the completion, or ends the existence of some project etc

noun. the blow that kills (usually mercifully)

"Attempting to recreate something so perfect with just one touch of CGI is a deathblow, which is slowly becoming true of a lot of horror movies."

kill  killing  putting to death  

Beowulf  abhorrer  abolishment  acter  altogether  

KO  Waterloo  another nail in one's coffin  bane  beating