unreliableness

from WordNet (r) 3.0 (2006)
unreliableness
    n 1: the trait of not being dependable or reliable [syn:
         {undependability}, {undependableness}, {unreliability},
         {unreliableness}] [ant: {dependability}, {dependableness},
         {reliability}, {reliableness}]
    
from The Collaborative International Dictionary of English v.0.48
Unreliable \Un`re*li"a*ble\, a.
   Not reliable; untrustworthy. See {Reliable}. --
   {Un`re*li"a*ble*ness}, n.
   [1913 Webster]

         Alcibiades . . . was too unsteady, and (according to
         Mr. Coleridge's coinage) "unreliable;" or perhaps, in
         more correct English, too "unrelyuponable." --De
                                                  Quincey.
   [1913 Webster]
    

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