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Marked by or exhibiting a lack of reliability.

un′re·li′a·bil′i·ty, un′re·li′a·ble·ness n.
un′re·li′a·bly adv.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.unreliableness - the trait of not being dependable or reliableunreliableness - the trait of not being dependable or reliable
irresponsibility, irresponsibleness - a form of untrustworthiness; the trait of lacking a sense of responsibility and not feeling accountable for your actions
instability - unreliability attributable to being unstable
irreproducibility - the quality of being unreproducible; "he could not explain the irreproducibility of the results of his experiment"
fallibility - the likelihood of making errors
dependability, dependableness, reliability, reliableness - the quality of being dependable or reliable
References in periodicals archive ?
Bossa Nova's popularity might be due in part to the unreliableness of others, like beloved DIY space 285 Kent, the sub-legal Williamsburg venue that Barclay ran as a rave space in its first four months of operation, and which recently shuttered.
It showed the slightness and unreliableness of our social fabric.