'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
- adrift,
- afloat,
- alternating,
- amorphous,
- capricious,
- changeable,
- changeful,
- coquettish,
- dangerous,
- desultory,
- deviable,
- disreputable,
- dizzy,
- doubtful,
- dubious,
- eccentric,
- erratic,
- faddish,
- faithless,
- false,
- falsehearted,
- fast and loose,
- fickle,
- fitful,
- flickering,
- flighty,
- flimsy,
- flirtatious,
- flitting,
- fluctuating,
- fly-by-night,
- freakish,
- garbled,
- giddy,
- hazardous,
- impetuous,
- impulsive,
- inaccurate,
- inauthentic,
- inconsistent,
- inconstant,
- indecisive,
- inexact,
- infirm,
- insecure,
- insubstantial,
- irregular,
- irresolute,
- irresponsible,
- light,
- mazy,
- mercurial,
- miscited,
- misquoted,
- misreported,
- misstated,
- moody,
- perfidious,
- perilous,
- precarious,
- provisional,
- questionable,
- quicksilver,
- rambling,
- restless,
- risky,
- rocky,
- roving,
- scatterbrained,
- shaky,
- shapeless,
- shifting,
- shifty,
- shuffling,
- skittish,
- slick,
- slippery,
- spasmodic,
- spineless,
- spurious,
- temporary,
- tentative,
- ticklish,
- tottery,
- toying,
- treacherous,
- tricky,
- trustless,
- unaccountable,
- unassured,
- unauthentic,
- unauthoritative,
- uncertain,
- uncontrolled,
- undependable,
- undisciplined,
- unfaithful,
- unfaithworthy,
- unfixed,
- unfounded,
- unhealthy,
- unpredictable,
- unrestrained,
- unsafe,
- unsettled,
- unsolid,
- unsound,
- unstable,
- unstable as water,
- unstaid,
- unsteadfast,
- unsteady,
- unsubstantial,
- unsure,
- untrue,
- untrustworthy,
- untrusty,
- vacillating,
- vagrant,
- variable,
- versatile,
- vicissitudinary,
- vicissitudinous,
- volatile,
- wandering,
- wanton,
- wavering,
- wavery,
- wavy,
- wayward,
- weak,
- whimsical,
- wishy-washy,
- workaday