Indi*gest"i*ble*ness

from The Collaborative International Dictionary of English v.0.48

Indigestible \In`di*gest"i*ble\, a. [L. indigestibilis: cf. F.
   indigestible. See {In-} not, and {Digest}.]
   [1913 Webster]
   1. Not digestible; not readily soluble in the digestive
      juices; not easily convertible into products fitted for
      absorption.
      [1913 Webster]

   2. Not digestible in the mind; distressful; intolerable; as,
      an indigestible simile. --T. Warton. --
      {In`di*gest"i*ble*ness}, n. -- {In`di*gest"i*bly}, adv.
      [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

indigestibleness \indigestibleness\ n.
   the property of being difficult to digest.

   Syn: indigestibility.
        [WordNet 1.5]