Definition of death knell noun from the Oxford Advanced Learner's Dictionary


death knell

BrE BrE//ˈdeθ nel//
; NAmE NAmE//ˈdeθ nel//
(also knell) [singular]
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an event that means that the end or destruction of something will come soon If he loses this referendum, it will sound the death knell for his leadership.
See the Oxford Advanced American Dictionary entry: death knell