- not reliable; not to be relied or depended on.
Origin of unreliable
SynonymsSee more synonyms on Thesaurus.com
undependable, irresponsible, untrustworthy.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for unreliable
Could you talk a minute about the notion of being an unreliable narrator?Daphne Merkin on Lena Dunham, Book Criticism, and Self-Examination
December 26, 2014
The results played right into the hands of those who wanted to portray the opposition as unreliable.Digital Doublethink: Playing Truth or Dare with Putin, Assad and ISIS
Christopher Dickey, Anna Nemtsova
November 16, 2014
Excerpts of his video statements fill the highlight reels when unreliable confessions are the subject of TV programs.The Myth of the Central Park Five
October 19, 2014
The reports are often unreliable, however, leading to confusion.Afghan Army Killings Threaten U.S. Aid
September 2, 2014
The process was a maddening tangle of unreliable tracking, delays, and confusion, the family member said.American G.I.s: Dude, Where’s My Car?
July 16, 2014
They were biased, unreliable at best, as regards culinary matters.
He had always been eccentric and unreliable, and now his intellect was threatened.The Siege of Boston
A machine that is as unreliable as he is would have no market.Mark Twain, A Biography, 1835-1910, Complete
Albert Bigelow Paine
There can be no question that he was idle, untruthful, and unreliable.A Great Man
Even beneath her feet, now, the floor seemed unsteady, unreliable.The Crimson Tide
Robert W. Chambers
- 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 unreliable
Online Etymology Dictionary, © 2010 Douglas Harper