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
Its closure sparked mourning among users who saw it as a loss of reliable, unbiased information in an age of unreliable internet sources.
—
Laurie Kellman, Los Angeles Times, 6 Apr. 2026
According to the report, the agency’s asset management system contains unreliable and incomplete data, including missing records, untracked equipment and items incorrectly labeled as inactive or missing.
—Katu Staff, Baltimore Sun, 3 Apr. 2026
Health misinformation is one of the most common reasons websites are rated as unreliable, said Matt Skibinski, chief operating officer for NewsGuard.
—Deidre McPhillips, CNN Money, 3 Apr. 2026
Ever since OpenClaw rose to viral sensation, security professionals have warned of the dangers that come from an LLM—by its very nature unreliable and prone to the most basic of mistakes—gaining access to such a vast number of sensitive resources and acting autonomously.
—Dan Goodin, ArsTechnica, 3 Apr. 2026
See All Example Sentences for unreliable
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Laurie Kellman, Los Angeles Times, 6 Apr. 2026
According to the report, the agency’s asset management system contains unreliable and incomplete data, including missing records, untracked equipment and items incorrectly labeled as inactive or missing.
—Katu Staff, Baltimore Sun, 3 Apr. 2026
Health misinformation is one of the most common reasons websites are rated as unreliable, said Matt Skibinski, chief operating officer for NewsGuard.
—Deidre McPhillips, CNN Money, 3 Apr. 2026
Ever since OpenClaw rose to viral sensation, security professionals have warned of the dangers that come from an LLM—by its very nature unreliable and prone to the most basic of mistakes—gaining access to such a vast number of sensitive resources and acting autonomously.
—Dan Goodin, ArsTechnica, 3 Apr. 2026
See All Example Sentences for unreliable
Cite this Entry
“Unreliable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unreliable. Accessed 7 Apr. 2026.
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