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
In contrast, humanoids like Tesla’s Optimus and Figure 03 are beginning to demonstrate real-world utility, performing tasks related to cooking and cleaning with growing reliability.
—
Atharva Gosavi, Interesting Engineering, 3 Nov. 2025
No decline in beta amyloid The study was small — only 296 people between the ages of 50 and 90 — but researchers used objective measures, which improved the reliability of the 14-year study published Monday in the journal Nature Medicine.
—Sandee Lamotte, CNN Money, 3 Nov. 2025
Its multigig cable plans deliver fast downloads and solid reliability for streaming, gaming and remote work.
—Roxanne Downer, USA Today, 3 Nov. 2025
The Braves also have a clear need for impact and reliability in the rotation.
—Stephen J. Nesbitt, New York Times, 3 Nov. 2025
See All Example Sentences for reliability
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.
Atharva Gosavi, Interesting Engineering, 3 Nov. 2025
No decline in beta amyloid The study was small — only 296 people between the ages of 50 and 90 — but researchers used objective measures, which improved the reliability of the 14-year study published Monday in the journal Nature Medicine.
—Sandee Lamotte, CNN Money, 3 Nov. 2025
Its multigig cable plans deliver fast downloads and solid reliability for streaming, gaming and remote work.
—Roxanne Downer, USA Today, 3 Nov. 2025
The Braves also have a clear need for impact and reliability in the rotation.
—Stephen J. Nesbitt, New York Times, 3 Nov. 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 8 Nov. 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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share