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
This wasn’t merely a technical glitch but a life-altering ordeal for someone who faced serious criminal charges based on algorithms that proved unreliable.
—
Lars Daniel, Forbes, 22 Mar. 2025
Flashbacks featuring both what actually happened in the White House that evening and versions presented by unreliable witnesses accompany the investigation.
—Daniel Fienberg, The Hollywood Reporter, 20 Mar. 2025
Ukraine has been working to mend ties with the U.S., as Europe looks to ramp up its defense spending, seeing the U.S. as an increasingly unreliable ally.
—Ashleigh Fields, The Hill, 14 Mar. 2025
Recommended Safety As Trump proves unreliable, Europe rushes to firm up defenses on its own
Should Hamas retain its armed wing, any incoming security force would not have a complete monopoly of arms in the strip, raising critical questions over Gaza security.
—Ghada Abdulfattah, The Christian Science Monitor, 14 Mar. 2025
See All Example Sentences for unreliable
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Lars Daniel, Forbes, 22 Mar. 2025
Flashbacks featuring both what actually happened in the White House that evening and versions presented by unreliable witnesses accompany the investigation.
—Daniel Fienberg, The Hollywood Reporter, 20 Mar. 2025
Ukraine has been working to mend ties with the U.S., as Europe looks to ramp up its defense spending, seeing the U.S. as an increasingly unreliable ally.
—Ashleigh Fields, The Hill, 14 Mar. 2025
Recommended Safety As Trump proves unreliable, Europe rushes to firm up defenses on its own
Should Hamas retain its armed wing, any incoming security force would not have a complete monopoly of arms in the strip, raising critical questions over Gaza security.
—Ghada Abdulfattah, The Christian Science Monitor, 14 Mar. 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 2 Apr. 2025.
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