unreliable : | |||||||||||||
not worthy of reliance or trust; "in the early 1950s computers were large and expensive and unreliable"; "an undependable assistant" erratic, uncertain, unsound lacking a sense of responsibility irresponsible liable to be erroneous or misleading; "an undependable generalization" fallible dangerously unstable and unpredictable; "treacherous winding roads"; "an unreliable trestle" dangerous not to be trusted untrustworthy |
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