unreliable

adjective

un·​re·​li·​able ˌən-ri-ˈlī-ə-bəl How to pronounce unreliable (audio)
: not reliable : undependable, untrustworthy
an unreliable friend
an unreliable source of funding
an unreliable car
unreliability noun
the unreliability of the data
a person with a reputation for unreliability
unreliably adverb
a method that works unreliably

Examples of unreliable in a Sentence

Recent Examples on the Web And then he, too, is gone, as shifty and unreliable as his words. Justin Chang, The New Yorker, 14 June 2024 But my voice had been uncharacteristically unreliable in recent months. Dessa Dessa Tanya Pérez Alec K. Redfearn, New York Times, 12 June 2024 Until March, Eskom Holdings SOC Ltd. had inflicted power cuts for as many as 12 hours a day due to unreliable units prone to breakdowns. Paul Burkhardt, Bloomberg.com, 12 June 2024 This technology is racially biased and unreliable and should be prohibited. Calmatters, The Mercury News, 12 June 2024 See all Example Sentences for unreliable 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'unreliable.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1810, in the meaning defined above

Time Traveler
The first known use of unreliable was in 1810

Dictionary Entries Near unreliable

Cite this Entry

“Unreliable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unreliable. Accessed 2 Jul. 2024.

Last Updated: - Updated example sentences
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