"A breath" is the very emblem of transiency and of unsubstantiality.
Reality is reduced to the unsubstantiality of a dream, and dreams are the only reality.
I have no consciousness of what happened after this feeling of unsubstantiality came upon me.'
It possesses the value of history, without its tedium—the interest of romance, without its unsubstantiality.
You do not get breakfast at the restaurant for the reason, before stated, of the breakfast's unsubstantiality.
Ministers have not deemed it necessary to go seriatim through the allegations of the petition and show their unsubstantiality.
Her quiet air, now, of intelligent comradeship defined and limited the unsubstantiality of Maurices hopes.
Sometimes it seemed to lift and dissolve into unsubstantiality, only to come back more baleful than before.