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
Paratransit users routinely miss job interviews, arrive late to work, or are unable to attend school due to unreliable service—a key factor in the nearly 10 percent unemployment rate among working-age American adults with disabilities, which is roughly triple that of our non-disabled peers.
—
Barbara A. Perry, Newsweek, 28 Jan. 2025
For example, malfunctioning sensors, unreliable asset location or gaps in data collection can produce incorrect conclusions about asset movement, leading to questionable insights.
—Fabio Belloni, Forbes, 21 Jan. 2025
Zoom in: To have the U.S., which is the second-largest emitter behind China, exit the agreement even temporarily has the potential for other countries to start viewing the U.S. as an unreliable partner on climate and potentially other issues as well.
—Andrew Freedman, Axios, 21 Jan. 2025
Those who are approved must cope with notoriously unreliable in-home nursing, a byproduct of the state’s penurious reimbursement rates.
—Carol Marbin Miller, Miami Herald, 17 Jan. 2025
See all Example Sentences for unreliable 
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Barbara A. Perry, Newsweek, 28 Jan. 2025
For example, malfunctioning sensors, unreliable asset location or gaps in data collection can produce incorrect conclusions about asset movement, leading to questionable insights.
—Fabio Belloni, Forbes, 21 Jan. 2025
Zoom in: To have the U.S., which is the second-largest emitter behind China, exit the agreement even temporarily has the potential for other countries to start viewing the U.S. as an unreliable partner on climate and potentially other issues as well.
—Andrew Freedman, Axios, 21 Jan. 2025
Those who are approved must cope with notoriously unreliable in-home nursing, a byproduct of the state’s penurious reimbursement rates.
—Carol Marbin Miller, Miami Herald, 17 Jan. 2025
See all Example Sentences for unreliable
Dictionary Entries Near unreliable
Cite this Entry
“Unreliable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/unreliable. Accessed 10 Feb. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share