unreliable

[uhn-ri-lahy-uh-buhl]
See more synonyms for unreliable on Thesaurus.com

Origin of unreliable

First recorded in 1830–40; un-1 + reliable
Related formsun·re·li·a·bil·i·ty, un·re·li·a·ble·ness, nounun·re·li·a·bly, adverb

Synonyms for unreliable

See more synonyms for on Thesaurus.com
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018


Examples from the Web for unreliability

Contemporary Examples of unreliability

Historical Examples of unreliability


British Dictionary definitions for unreliability

unreliable

adjective
  1. not reliable; untrustworthyan unreliable witness
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for unreliability

unreliable

adj.

1840, from un- (1) "not" + reliable. First recorded in De Quincey, who said it was coined by Coleridge.

Online Etymology Dictionary, © 2010 Douglas Harper