Meaning of insubstantial

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.
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