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
The material’s combination of high electroactivity and hydrophobicity allows lithium ions to travel efficiently to the electronic system, reducing potential drift and improving measurement reliability.
—
Bojan Stojkovski, Interesting Engineering, 26 Oct. 2025
The airline this year announced new measures to improve reliability.
—Leslie Josephs, CNBC, 26 Oct. 2025
In the same reports, Tesla placed 17th out of 22 in the reliability ranking, but scored third in customer satisfaction.
—Liam Rappleye, USA Today, 24 Oct. 2025
It combined speed, polish, and reliability in a compact cube.
—PC Magazine, 24 Oct. 2025
See All Example Sentences for reliability
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Bojan Stojkovski, Interesting Engineering, 26 Oct. 2025
The airline this year announced new measures to improve reliability.
—Leslie Josephs, CNBC, 26 Oct. 2025
In the same reports, Tesla placed 17th out of 22 in the reliability ranking, but scored third in customer satisfaction.
—Liam Rappleye, USA Today, 24 Oct. 2025
It combined speed, polish, and reliability in a compact cube.
—PC Magazine, 24 Oct. 2025
See All Example Sentences for reliability
Cite this Entry
“Reliability.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/reliability. Accessed 31 Oct. 2025.
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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