Noun
unreliability (countable and uncountable, plural unreliabilities)
The quality of being unreliable.
Citizendium is based on the failings and unreliability of Wikipedia. Larry Sanger
The problem is clear: the unreliability of eyewitness identification evidence poses one of the most serious problems in the administration of criminal justice and civil litigation. Elizabeth Loftus
On the other hand, unreliability never stopped anyone from using a given technology-just look at Microsoft if you don't believe me. Charles Stross
It is very expensive to achieve high unreliability. It is not uncommon to increase the cost of an item by a factor of ten for each factor of ten degradation accomplished. Norman Ralph Augustine
After initial success, the Germans learned how to pass through the barrage, aided by the unreliability of British mines. Source: Internet
Among medieval literary texts, Geoffrey Chaucer 's Troilus and Criseyde plays a special role because Chaucer's usage seems to challenge the truth value of proverbs by exposing their epistemological unreliability. Source: Internet