The level of opposition to the Ryan budget among the bishops is not unsubstantial.
Then, silent and unsubstantial as a shadow, Emmy Turnbull slipped into her seat.
Scott, in Old Mortality, uses it in the moral sense, "unsubstantial."
It is the inherent difficulty of their method that it must lead to unsubstantial results.
No darkness of the sky, or concentration of unsubstantial vapour.
Of course, she knew now that her objection, whether true or unsubstantial, could not avail.
Were I a fat man I could not bear it, but I am as unsubstantial as they themselves.
I tell him, by way of joke, that he is as dim and forlorn as Memory, though as unsubstantial as Hope.
The smoke gave them a wavering aspect as though their shapes were unsubstantial.
(The substantiality of the unsubstantial body, is as false as the corporeality of an incorporeal spirit).