Word family noun reliability reliance adjective reliable ≠ unreliable reliant verb rely adverb reliably
From Longman Dictionary of Contemporary Englishunreliableun‧re‧li‧a‧ble /ˌʌnrɪˈlaɪəbəl◂/ ●●○ AWL adjective DEPEND/IT DEPENDSunable to be trusted or depended on The car’s becoming very unreliable. an unreliable witnessExamples from the Corpus
unreliable• Local telephone service is unreliable.• Telephone service in most of the country is unreliable.• We could ask our neighbours to feed the cat, but they're a little unreliable.• However, averages are notoriously unreliable.• Nor is the fact that a document is biased a reason for dismissing the document as worthless or unreliable.• Often the results are wrong, inadequate, untrustworthy, unreliable, and self-serving.• Service delivery is unreliable, and top jobs in key departments have gone unfilled for months.• She divorced me because of my unreliable behaviour and adultery, but wherever I go she is in my thoughts.• She did not dare to stop or rest because immediately she was surrounded by offers of unreliable help.• The concept of the unreliable narrator becomes a critique of the author himself.• Increasing mobility and various social changes have made the traditional family an unreliable source of old-age support. 