Definition of "catastrophe" in Englisch

noun

1. Any large and disastrous event of great significance.

   • The Chernobyl disaster was a catastrophe.

2. (insurance) A disaster beyond expectations.

3. (narratology) The dramatic event that initiates the resolution of the plot; the dénouement.

4. (mathematics) A type of bifurcation, where a system shifts between two stable states.