unreliableness n 1: the trait of not being dependable or reliable [syn: {undependability}, {undependableness}, {unreliability}, {unreliableness}] [ant: {dependability}, {dependableness}, {reliability}, {reliableness}]
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]