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
Election simulations won’t tell you much, either If individual polls are unreliable, what about polling aggregators?
—
Allison Parshall, Scientific American, 31 Oct. 2024
Multiple critics objected to the latter option on the grounds that popular opinion was notoriously unreliable.
—Joseph J. Ellis, The Mercury News, 31 Oct. 2024
For both parties, young adults are an appealing, if unreliable demographic.
—Ronald J. Hansen, The Arizona Republic, 26 Oct. 2024
Why is electricity so unreliable? Blackouts are not uncommon in Cuba.
—Rebekah Evans, theweek, 25 Oct. 2024
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.
Allison Parshall, Scientific American, 31 Oct. 2024
Multiple critics objected to the latter option on the grounds that popular opinion was notoriously unreliable.
—Joseph J. Ellis, The Mercury News, 31 Oct. 2024
For both parties, young adults are an appealing, if unreliable demographic.
—Ronald J. Hansen, The Arizona Republic, 26 Oct. 2024
Why is electricity so unreliable? Blackouts are not uncommon in Cuba.
—Rebekah Evans, theweek, 25 Oct. 2024
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 21 Nov. 2024.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share