re·li·able
ri-ˈlī-ə-bəl 
1
: suitable or fit to be relied on : dependable
2
: giving the same result on successive trials
reliableness
noun
: one that is reliable
Examples of reliable in a Sentence
Adjective
He's not very reliable. You can't always count on him to do what he says he'll do.
We can't write a report without reliable data.
We need more reliable information before we can take action.
Recent Examples on the Web
Kelsey Glennon, Travel + Leisure, 29 Oct. 2025
During the formative phase of the infant American republic, when its survival was still problematic, iconic founders performed a valuable function as reliable sources of unquestioned wisdom, a veritable gallery of Delphic oracles available on demand.
—Literary Hub, 28 Oct. 2025
Jesa Marie Calaor, Allure, 29 Aug. 2025
Unlike Louisville’s other quintessential coffee reliables that have been around for a certain number of years, there is only one Safai Coffee.
—Amanda Hancock, The Courier-Journal, 2 July 2025
See All Example Sentences for reliable
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Adjective
Chaco is known for making great hiking sandals, and its boots are sure to be just as durable and reliable with the same heavy-duty outsole and comfortable footbed for walking long distances.
—Kelsey Glennon, Travel + Leisure, 29 Oct. 2025
During the formative phase of the infant American republic, when its survival was still problematic, iconic founders performed a valuable function as reliable sources of unquestioned wisdom, a veritable gallery of Delphic oracles available on demand.
—Literary Hub, 28 Oct. 2025
Noun
In addition to the old reliables, though, there are some new entrants to the fall nail color scene.
—Jesa Marie Calaor, Allure, 29 Aug. 2025
Unlike Louisville’s other quintessential coffee reliables that have been around for a certain number of years, there is only one Safai Coffee.
—Amanda Hancock, The Courier-Journal, 2 July 2025
See All Example Sentences for reliable
Cite this Entry
“Reliable.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/reliable. Accessed 31 Oct. 2025.
Copy CitationMedical Definition
reliable
adjective
re·li·able
ri-ˈlī-ə-bəl
: giving the same result on successive trials
a reliable psychological test
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