act of god is a noun meaning "a natural and unavoidable catastrophe that interrupts the expected course of events". It carries one recorded sense.
a natural and unavoidable catastrophe that interrupts the expected course of events
“he discovered that his house was not insured against acts of God”
Definitions, synonyms and semantic relations for act of god come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.