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
Minimizing unplanned downtime can deliver an impact that becomes amplified when external supply chains are unreliable.
—
Ed Garibian, Forbes.com, 25 June 2025
Prosecutors in the case called for Clayton to be jailed for 10 years, but the defense argued for acquittal –– saying the woman’s testimony had many questions and was unreliable, according to NHK.
—Karina Tsui, CNN Money, 25 June 2025
Being unreliable is basically the tariffs of negotiations.
—Matt Fleming, Oc Register, 23 June 2025
Many scientists have been skeptical about using pollen and seeds to date the footprints, claiming that these ancient materials are unreliable.
—Stephanie Edwards, Discover Magazine, 18 June 2025
See All Example Sentences for unreliable
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Ed Garibian, Forbes.com, 25 June 2025
Prosecutors in the case called for Clayton to be jailed for 10 years, but the defense argued for acquittal –– saying the woman’s testimony had many questions and was unreliable, according to NHK.
—Karina Tsui, CNN Money, 25 June 2025
Being unreliable is basically the tariffs of negotiations.
—Matt Fleming, Oc Register, 23 June 2025
Many scientists have been skeptical about using pollen and seeds to date the footprints, claiming that these ancient materials are unreliable.
—Stephanie Edwards, Discover Magazine, 18 June 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 5 Jul. 2025.
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