death knell

• Sinal ou evento que marca o fim ou o fracasso de algo, usado frequentemente de forma metafórica para indicar a destruição iminente ou o encerramento de uma instituição, plano ou atividade.

A sign or event that marks the end or failure of something, often used metaphorically to indicate the impending destruction or termination of an institution, plan, or activity.

1. Sign of end or failureC1formal

   An event or sign that signals the end or destruction of something.

   Prenúncio do fim

   • The new technology sounded the death knell for traditional film cameras.
   • The scandal was the death knell for his political career.
   • Rising costs could be the death knell for the small business.