unreliable
adjective
un·re·li·able
| \ ˌən-ri-ˈlī-ə-bəl
\
\
Definition of unreliable
: not reliable : undependable, untrustworthy
an unreliable friend an unreliable source of funding an unreliable car
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Other Words from unreliable
unreliability
\ ˌən-ri-ˌlī-ə-ˈbi-lə-tē
\
noun
\
noun
the unreliability of the data
a person with a reputation for unreliability
unreliably
\ ˌən-ri-ˈlī-ə-blē
\
adverb
\
adverb
a method that works unreliably
Examples of unreliable in a Sentence
Recent Examples on the Web
The Orioles are wildly unreliable on the other side, despite decent value at +160. — Esten Mclaren, USA TODAY Sportsbook Wire, "Texas Rangers at Baltimore Orioles odds, picks and betting tips," 5 Sep. 2019 There were too many reminders of last year: FSU's offense was unreliable after a strong start, the offensive line was again terrible and the defense was gashed and worn down by Boise's offensive pace. — Paul Myerberg, USA TODAY, "College football's Week 1 winners and losers, starting with Willie Taggart and Florida State," 31 Aug. 2019 Peter Temple-Smith and Frank Carrick are among a group of platypus researchers who think the historical sources are just too unreliable to make claims about past populations. — Christie Wilcox, National Geographic, "The silent decline of the platypus, Australia’s beloved oddity," 29 Aug. 2019 But satellite data can be notoriously unreliable for assessing vertical elevations in low-lying areas. — Charlie Schmidt, Scientific American, "New Elevation Measure Shows Climate Change Could Quickly Swamp the Mekong Delta," 28 Aug. 2019 Currently under contract until 2022, no fee has been touted as of yet from the, often, unreliable source. — SI.com, "Chris Smalling Linked With Roma Move Before European Transfer Deadline," 29 Aug. 2019 Before the 2018 midterms, NBC News spoke to a range of experts who said that many of the country’s voting machines are woefully unreliable and in many cases around 15 year old. — NBC News, "Russian hackers, town budgets, Windows updates: Officials grapple with realities of election security," 16 Aug. 2019 The judge, during the long-running litigation, has also ruled that breath test results using a specific machine dating back to Sept. 14, 2011, are unreliable on their face. — Danny Mcdonald, BostonGlobe.com, "Judge allows police to resume using breath test evidence in drunken driving cases," 31 July 2019 Experts criticized the practice on a technological level as well, given that facial recognition algorithms are already unreliable at best, and even more so when applied to young faces that can change substantially over the course of a few years. — Brian Barrett, WIRED, "Security News This Week: Apple Contractors Will Stop Listening to Your Siri Recordings—For Now," 3 Aug. 2019These example sentences are selected automatically from various online news sources to reflect current usage of the word 'unreliable.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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More Definitions for unreliable
unreliable
adjective
English Language Learners Definition of unreliable
: not able to be trusted to do or provide what is needed or promised
: not believable or trustworthy
See the full definition for unreliable in the English Language Learners Dictionary
unreliable
adjective
un·re·li·able
| \ ˌən-ri-ˈlī-ə-bəl\
Kids Definition of unreliable
: not worthy of trust
He got rid of his unreliable car.
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