Also found in: Thesaurus.


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.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
School officials rightfully recognized the unreliableness of that funding mechanism.
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.
Elin registers the inadequacy of the reality principle in one of her letters: "Your memories of us are too full of 'unreliableness' but mostly more true than the reality" (65).