We have no meanings for "so unsubstantial" in our records yet.
1 I didn't dare to hold out any hope based on so unsubstantial a theory.
2 There is something so unsubstantial about most of them.
3 Strange that a heart so insensible should first be touched by something so unsubstantial as a dream; but so it was.
4 So unsubstantial and shadowy are they, that a lady, on seeing them for the first time, declared them to be "the ghosts of gooseberries."
5 'I should have thought you could be only a very distant relation of anything so unsubstantial , ' said Arthur, with a laugh.
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