Unreliable
Pronunciation : Un`re*li"a*ble
Part of Speech : a.
Definition : Defn: Not reliable; untrustworthy. See Reliable. -- Un`re*li"a*ble*ness, n. Alcibiades . . . was too unsteady, and (according to Mr. Coleridge's coinage) "unreliable;" or perhaps, in more correct English, too "unrelyuponable." De Quincey.
Source : Webster's Unabridged Dictionary, 1913