act of God
- noun something you do not expect to happen and which cannot be avoided, e.g. a storm or a flood
- An unforeseeable, inevitable event caused by natural forces over which an insurance policyholder has little or no control. Examples are windstorms, floods, earthquakes, and lightning strikes.
Idiom of “act of God”
catastrophe; unforeseen action of a natural force (such as an earthquake, hurricane, lightning strike, etc.) in causing an accident