Definitions for unreliable
Princeton's WordNet
undependable, unreliable(adj)
liable to be erroneous or misleading
"an undependable generalization"
unreliable, undependable(adj)
not worthy of reliance or trust
"in the early 1950s computers were large and expensive and unreliable"; "an undependable assistant"
treacherous, unreliable(adj)
dangerously unstable and unpredictable
"treacherous winding roads"; "an unreliable trestle"
unreliable(adj)
lacking a sense of responsibility
Kernerman English Learner's Dictionary
unreliable(adjective)ˌʌnrɪlˈaɪəbəl
not able to be believed or trusted
so unreliable that you can never expect him to be here on time; unreliable evidence
Wiktionary
unreliable(Adjective)
Not reliable.
Webster Dictionary
Unreliable(adj)
not reliable; untrustworthy. See Reliable
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