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
But her personal and professional life collapsed amid legal troubles and reports of partying, substance abuse and unreliable behavior.
—
Martha Ross, Mercury News, 2 Mar. 2026
The sixth-year senior averaged 26 points early but became unreliable during Big Ten play, sometimes missing games for unclear reasons.
—Ryan Kartje, Los Angeles Times, 1 Mar. 2026
But there were plenty of misses along the way, and Spurs were left with a squad with too many unreliable and inconsistent players.
—Jack Pitt-Brooke, New York Times, 28 Feb. 2026
Concern about unreliable gas suppliers pervades Europe, for example.
—Justin Worland, Time, 28 Feb. 2026
See All Example Sentences for unreliable
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Martha Ross, Mercury News, 2 Mar. 2026
The sixth-year senior averaged 26 points early but became unreliable during Big Ten play, sometimes missing games for unclear reasons.
—Ryan Kartje, Los Angeles Times, 1 Mar. 2026
But there were plenty of misses along the way, and Spurs were left with a squad with too many unreliable and inconsistent players.
—Jack Pitt-Brooke, New York Times, 28 Feb. 2026
Concern about unreliable gas suppliers pervades Europe, for example.
—Justin Worland, Time, 28 Feb. 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 Mar. 2026.
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