What other motive they can have, is to us, at least, inconceivable.
In reality they were jealous of each other with an inconceivable intensity.
There is no action of our soul on our body; that would be inconceivable.
That one man had lived, escaped the net—it was inconceivable!
The crew of the Avenger is an inconceivable ship's complement for any pirate.
If not-being ...