reliability

noun

re·​li·​abil·​i·​ty ri-ˌlī-ə-ˈbi-lə-tē How to pronounce reliability (audio)
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
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.
Customer experience also helps with increasing trust and reliability. Janita Pannu, Forbes.com, 14 Apr. 2025 How utilities choose which power source to invest in depends in large part on two key aspects: price and reliability. Erin Baker, The Conversation, 14 Apr. 2025 The good news is that most streaming viewers are already accustomed to growing prices and have figured out which streaming services align with their needs around affordability, ease of use, content, and reliability. Beth Mole, ArsTechnica, 11 Apr. 2025 But that stability and reliability come with a cost to landowners, who bear the brunt of infrastructure build-outs for the rest of us. Matthew Adams, Fort Worth Star-Telegram, 11 Apr. 2025 See All Example Sentences for reliability

Word History

First Known Use

1810, in the meaning defined at sense 1

Time Traveler
The first known use of reliability was in 1810

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Cite this Entry

“Reliability.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/reliability. Accessed 22 Apr. 2025.

Kids Definition

reliability

noun
re·​li·​abil·​i·​ty ri-ˌlī-ə-ˈbil-ət-ē How to pronounce reliability (audio)
plural reliabilities
: the quality or state of being reliable

Medical Definition

reliability

noun
re·​li·​abil·​i·​ty ri-ˌlī-ə-ˈbil-ət-ē How to pronounce reliability (audio)
plural reliabilities
: the extent to which an experiment, test, or measuring procedure yields the same results on repeated trials

More from Merriam-Webster on reliability

Last Updated: - Updated example sentences
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