Their presence aboard your ship could only have been due to sheer happenstance, nothing else.
Now it was sheer happenstance that I was in the area, and heard about it from the local fish.
The scene went crazy as the camera was knocked from the ledge but by sheer happenstance, it had fallen aimed directly at his father.
Many of them belong to the year just ending by sheer happenstance, having been shown at festivals long before their (often brief) runs in American theaters.
It was sheer happenstance that anyone found me.
Cassandra hoped that someone had indeed seen them from the window, but it would be sheer happenstance.
That proved to be untrue, but by sheer happenstance four spades appeared on the table after the lead of the heart ten.
Some of the classics are coming to life now by sheer happenstance.
I kicked blindly, hit the ladder through sheer happenstance, careened backwards down the corridor.
But his success represents a clear confluence of deliberate strategy and sheer happenstance.