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
Having an unreliable kicking unit is an odd spot for the Broncos.
—
Shaun Goodwin, Idaho Statesman, 17 Sep. 2025
The presiding judge said the evidence was insufficient for a conviction, that the court heard from unreliable witnesses and that some had been influenced by media reports on the defendant.
—Peter Wilkinson, CNN Money, 17 Sep. 2025
Water was scarce, electricity was unreliable and the thin tent walls did little to insulate against the brutal heat of the summer and cold of the winter.
—Forbes.com, 17 Sep. 2025
While YouTube and Instagram can potentially analyze faces, posting patterns, and social networks to determine age, ChatGPT must rely solely on conversational text, which can be an unreliable signal of user age.
—ArsTechnica, 16 Sep. 2025
See All Example Sentences for unreliable
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Shaun Goodwin, Idaho Statesman, 17 Sep. 2025
The presiding judge said the evidence was insufficient for a conviction, that the court heard from unreliable witnesses and that some had been influenced by media reports on the defendant.
—Peter Wilkinson, CNN Money, 17 Sep. 2025
Water was scarce, electricity was unreliable and the thin tent walls did little to insulate against the brutal heat of the summer and cold of the winter.
—Forbes.com, 17 Sep. 2025
While YouTube and Instagram can potentially analyze faces, posting patterns, and social networks to determine age, ChatGPT must rely solely on conversational text, which can be an unreliable signal of user age.
—ArsTechnica, 16 Sep. 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 19 Sep. 2025.
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