A disaster beyond expectations.
Any large and disastrous event of great significance.
The dramatic event that initiates the resolution of the plot; the dénouement.
A type of bifurcation, where a system shifts between two stable states.
Physical danger from the environment, especially with risk of drowning
An obstacle that hinders achievement of a goal.
The state of being difficult, or hard to do.
An objection.
An awkward situation or quarrel.
That which cannot be easily understood or believed.