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
Jessica Hopkins, New York Times, 15 Aug. 2025
Blackouts have nevertheless become a common occurrence in the country's scorching summers, and shorter power cuts take place almost daily, with many Iraqis depending on private generators for reliable power — while those without that access are left to suffer.
—Natasha Turak, CNBC, 15 Aug. 2025
Amanda Hancock, The Courier-Journal, 2 July 2025
Gustavo Gimeno conducts; reliables by Ravel and Barber pad out the rest of the program.
—Hannah Edgar, Chicago Tribune, 9 Jan. 2025
See All Example Sentences for reliable
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Adjective
Also moving across is Alpecin Deceuninck’s Edward Planckaert, known for his one-day and stage racing and being a reliable cog in sprint leadouts.
—Jessica Hopkins, New York Times, 15 Aug. 2025
Blackouts have nevertheless become a common occurrence in the country's scorching summers, and shorter power cuts take place almost daily, with many Iraqis depending on private generators for reliable power — while those without that access are left to suffer.
—Natasha Turak, CNBC, 15 Aug. 2025
Noun
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
Gustavo Gimeno conducts; reliables by Ravel and Barber pad out the rest of the program.
—Hannah Edgar, Chicago Tribune, 9 Jan. 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 20 Aug. 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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