Search Result for "insubstantiality": 
Wordnet 3.0

NOUN (2)

1. lack of solid substance and strength;

2. lacking substance or reality; 



The Collaborative International Dictionary of English v.0.48:

Insubstantiality \In`sub*stan`ti*al"i*ty\, n.
   Unsubstantiality; unreality. [R.]
   [1913 Webster]


WordNet (r) 3.0 (2006):

insubstantiality
    n 1: lack of solid substance and strength
    2: lacking substance or reality [ant: solidness,
       substantiality, substantialness]