unreliable
adjective
un·re·li·able
ˌən-ri-ˈlī-ə-bəl 
: 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
Examples of unreliable in a Sentence
Recent Examples on the Web
The balloons provide critical data for computer models that forecasters use to predict the weather, raising the likelihood that projections will be more unreliable.
—
Andrew Freedman, CNN Money, 2 May 2025
But times have changed, with tracking becoming more unreliable.
—Pamela McClintock, HollywoodReporter, 29 Apr. 2025
Soft data is notoriously unreliable and often not taken all that seriously.
—Michael Foster, Forbes.com, 26 Apr. 2025
The defense had been trying to keep that phrase out of the trial, saying the roommate's description was unreliable and the description of that distinct characteristic would bias the jury.
—Sasha Pezenik, ABC News, 18 Apr. 2025
See All Example Sentences for unreliable
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Andrew Freedman, CNN Money, 2 May 2025
But times have changed, with tracking becoming more unreliable.
—Pamela McClintock, HollywoodReporter, 29 Apr. 2025
Soft data is notoriously unreliable and often not taken all that seriously.
—Michael Foster, Forbes.com, 26 Apr. 2025
The defense had been trying to keep that phrase out of the trial, saying the roommate's description was unreliable and the description of that distinct characteristic would bias the jury.
—Sasha Pezenik, ABC News, 18 Apr. 2025
See All Example Sentences for unreliable
Cite this Entry
“Unreliable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unreliable. Accessed 17 May. 2025.
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