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
Under Newsom, the state budget grew more than 60%, with unreliable revenue streams and unsustainable levels of spending.
—
Matt Fleming, Oc Register, 26 Jan. 2026
The shift is especially important with the bloc’s alternative to Russian LNG — Washington — becoming increasingly unreliable and willing to weaponize economic tools.
—Tim McDonnell, semafor.com, 22 Jan. 2026
Airport officials also say there are too many crashes, unreliable travel time, and maintenance needs.
—Brian Sherrod, CBS News, 22 Jan. 2026
How unreliable memory is, and how abrupt, fragmented and also associative.
—Scott Roxborough, HollywoodReporter, 21 Jan. 2026
See All Example Sentences for unreliable
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Matt Fleming, Oc Register, 26 Jan. 2026
The shift is especially important with the bloc’s alternative to Russian LNG — Washington — becoming increasingly unreliable and willing to weaponize economic tools.
—Tim McDonnell, semafor.com, 22 Jan. 2026
Airport officials also say there are too many crashes, unreliable travel time, and maintenance needs.
—Brian Sherrod, CBS News, 22 Jan. 2026
How unreliable memory is, and how abrupt, fragmented and also associative.
—Scott Roxborough, HollywoodReporter, 21 Jan. 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 28 Jan. 2026.
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