'Unreliable' definitions:

Definition of 'unreliable'

(from WordNet)
adjective
Liable to be erroneous or misleading; "an undependable generalization" [syn: undependable, unreliable]
adjective
Not worthy of reliance or trust; "in the early 1950s computers were large and expensive and unreliable"; "an undependable assistant" [syn: unreliable, undependable] [ant: dependable, reliable]
adjective
Dangerously unstable and unpredictable; "treacherous winding roads"; "an unreliable trestle" [syn: treacherous, unreliable]
adjective
Lacking a sense of responsibility

Definition of 'Unreliable'

From: GCIDE
  • 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]

Synonyms of 'unreliable'

From: Moby Thesaurus

Words containing 'Unreliable'