reliability
noun
re·li·abil·i·ty
ri-ˌlī-ə-ˈbi-lə-tē 
1
: the quality or state of being reliable
2
: the extent to which an experiment, test, or measuring procedure yields the same results on repeated trials
Examples of reliability in a Sentence
we never had reason to question the reliability of the park rangers in the event of an emergency
Recent Examples on the Web
Through a long-term agreement, the battery storage facility will provide resource adequacy capacity to Pacific Gas & Electric Company and help support California’s reliability and clean-energy goals.
—
Rob Nikolewski, San Diego Union-Tribune, 16 Mar. 2026
Transit officials said a new bridge across the Hackensack River in Kearny was essential to getting long-term reliability and capacity improvements on the Northeast Corridor, which NJ Transit shares with Amtrak.
—John Dias, CBS News, 16 Mar. 2026
No, not a scorer like Powell and Herro, who each have played a game off the bench this season, but with a reliability that has inspired ongoing confidence.
—Ira Winderman, Sun Sentinel, 16 Mar. 2026
Fortunately, the idea behind the central limit theorem — the power and reliability of averages — has been used far and wide to extend the power of statistics.
—Joseph Howlett, Quanta Magazine, 16 Mar. 2026
See All Example Sentences for reliability
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Rob Nikolewski, San Diego Union-Tribune, 16 Mar. 2026
Transit officials said a new bridge across the Hackensack River in Kearny was essential to getting long-term reliability and capacity improvements on the Northeast Corridor, which NJ Transit shares with Amtrak.
—John Dias, CBS News, 16 Mar. 2026
No, not a scorer like Powell and Herro, who each have played a game off the bench this season, but with a reliability that has inspired ongoing confidence.
—Ira Winderman, Sun Sentinel, 16 Mar. 2026
Fortunately, the idea behind the central limit theorem — the power and reliability of averages — has been used far and wide to extend the power of statistics.
—Joseph Howlett, Quanta Magazine, 16 Mar. 2026
See All Example Sentences for reliability
Cite this Entry
“Reliability.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/reliability. Accessed 18 Mar. 2026.
Copy CitationKids Definition
reliability
noun
re·li·abil·i·ty
ri-ˌlī-ə-ˈbil-ət-ē
plural reliabilities
: the quality or state of being reliable
Medical Definition
reliability
noun
re·li·abil·i·ty
ri-ˌlī-ə-ˈbil-ət-ē
plural reliabilities
: the extent to which an experiment, test, or measuring procedure yields the same results on repeated trials
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