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
Elders still literally freeze in winter because energy is unreliable or unaffordable.
—
Cody Two Bears, Rolling Stone, 17 June 2026
The president and his advisers have repeatedly criticized offshore wind as intermittent, unreliable and unsightly.
—Los Angeles Times, 17 June 2026
So, take your cues from flight attendants this season and snag the Nesugar G2 Travel Garment Steamer to quickly smooth your clothes without depending on the unreliable hotel iron.
—Merrell Readman, Travel + Leisure, 16 June 2026
This saves you the trouble of relying on potentially unreliable mobile networks to reach your destination.
—Jordan Minor, PC Magazine, 12 June 2026
See All Example Sentences for unreliable
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Cody Two Bears, Rolling Stone, 17 June 2026
The president and his advisers have repeatedly criticized offshore wind as intermittent, unreliable and unsightly.
—Los Angeles Times, 17 June 2026
So, take your cues from flight attendants this season and snag the Nesugar G2 Travel Garment Steamer to quickly smooth your clothes without depending on the unreliable hotel iron.
—Merrell Readman, Travel + Leisure, 16 June 2026
This saves you the trouble of relying on potentially unreliable mobile networks to reach your destination.
—Jordan Minor, PC Magazine, 12 June 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 22 Jun. 2026.
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