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
Free parking eliminates a major logistical headache and financial burden, especially when downtown parking prices are high or public transit is unreliable.
—
Gleb Tsipursky, The Orlando Sentinel, 15 Aug. 2025
But the Iranian gas supply is also unreliable — in part because Iran often has trouble keeping its own lights on, due to sanctions and mismanagement, and because Tehran at times withholds its exports to Iraq for political reasons.
—Natasha Turak, CNBC, 15 Aug. 2025
Meanwhile, the statement described the pollster as unreliable, citing past inaccuracies.
—Martha McHardy, MSNBC Newsweek, 15 Aug. 2025
Those approaches have limitations, as camera traps can be unreliable, and human presence risks disturbing the antelopes’ natural behavior.
—Mack Degeurin, Popular Science, 13 Aug. 2025
See All Example Sentences for unreliable
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Gleb Tsipursky, The Orlando Sentinel, 15 Aug. 2025
But the Iranian gas supply is also unreliable — in part because Iran often has trouble keeping its own lights on, due to sanctions and mismanagement, and because Tehran at times withholds its exports to Iraq for political reasons.
—Natasha Turak, CNBC, 15 Aug. 2025
Meanwhile, the statement described the pollster as unreliable, citing past inaccuracies.
—Martha McHardy, MSNBC Newsweek, 15 Aug. 2025
Those approaches have limitations, as camera traps can be unreliable, and human presence risks disturbing the antelopes’ natural behavior.
—Mack Degeurin, Popular Science, 13 Aug. 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 Aug. 2025.
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