Definition, Meaning & Synonyms

a nail in the coffin

idiom
/ə neɪl ɪn ðə ˈkɔːfɪn/
Definition
A metaphorical phrase referring to an action or event that contributes to the downfall or failure of something.
Examples
  • The latest poor sales figures were a nail in the coffin for the struggling company.
  • His constant mistakes became a nail in the coffin for his career.
Meaning
It signifies a development that significantly worsens a situation, leading to an inevitable negative outcome.
Synonyms
  • final blow
  • death knell
  • downfall