Meaning of unreliable

Definition of unreliable

(adj) liable to be erroneous or misleading; "an undependable generalization"
not worthy of reliance or trust; "in the early 1950s computers were large and expensive and unreliable"; "an undependable assistant"
dangerously unstable and unpredictable; "treacherous winding roads"; "an unreliable trestle"

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