Unreliable

3 definitions found

From The Collaborative International Dictionary of English v.0.48 [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]

From WordNet (r) 2.0 [wn]:

  unreliable
       adj 1: liable to be erroneous or misleading; "an undependable
              generalization" [syn: {undependable}]
       2: not to be trusted [syn: {undependable}]
       3: not worthy of reliance or trust; "in the early 1950s
          computers were large and expensive and unreliable"; "an
          undependable assistant" [syn: {undependable}] [ant: {reliable},
           {reliable}]
       4: dangerously unstable and unpredictable; "treacherous winding
          roads"; "an unreliable trestle" [syn: {treacherous}]
       5: lacking a sense of responsibility

From Moby Thesaurus II by Grady Ward, 1.0 [moby-thes]:

  134 Moby Thesaurus words for "unreliable":
     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