the GNU version of the Collaborative International Dictionary of English
n. The quality of being vaporous.
The Century Dictionary and Cyclopedia
n. The state or character of being vaporous; mistiness.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. cloudiness resulting from haze or mist or vapor
Word Usage
"Quite clearly, his vaporousness is incapable of grasping the links between Britain and America and the ideas that govern or in the case of Britain, used to govern those countries."