WordNet
n. a natural and unavoidable catastrophe that interrupts the expected course of events; "he discovered that his house was not insured against acts of God" [syn: act of God, force majeure, vis major, unavoidable casualty]
Usage examples of "inevitable accident".
All the cases concede that an injury arising from inevitable accident, or, which in law or reason is the same thing, from an act that ordinary human care and foresight are unable to guard against, is but the misfortune of the sufferer, and lays no foundation for legal responsibility.
In sort of like the frozen state where you watch an inevitable accident about to occur, I stood there and watched this.
Tim's death would be written off as a sad but inevitable accident, and Norman would go home to his lovely white house on the hill and put a black armband around his sleeve.