Dictionary
in•sub•stan•tial
Pronunciation: (in"sub-stan'shul), [key]—
adj.
1. not substantial or real; lacking substance:
an insubstantial world of dreams.
2. not solid or firm; weak; flimsy.
3. not substantial in amount or size; inconsiderable:
an insubstantial sum. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.