death knell


noun

a harbinger of the end, death, or destruction of something.

Example sentences from the Web for death knell

British Dictionary definitions for death knell

death knell

death bell


noun

something that heralds death or destruction
a bell rung to announce a death

Idioms and Phrases with death knell

death knell

Something that indicates impending failure, as in His low scores sounded the death knell for his ambitions. The noun knell, used for the ringing of a bell since at least a.d. 1000, is rarely heard today except in this figurative phrase.