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

Synonyms

• dependability
• dependableness
• reliableness
• responsibility
• solidity
• solidness
• sureness
• trustability
• trustworthiness

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

For at least a decade, its management put speeding production to boost profits over sustaining the ironclad processes and procedures essential to building aircraft featuring the highest levels of reliability and safety. —Will Daniel, Fortune, 26 June 2024

David Weissman, executive director of the Alliance for Nuclear Responsibility, said the deal was struck based on promises that taxpayers and ratepayers would not foot the bill and large amounts of battery storage have drastically improved grid reliability. —Ari Plachta, Sacramento Bee, 25 June 2024

Good partnerships depend on equality and reliability. —Eugenia Last, The Mercury News, 19 June 2024

When Apple Home defaults to an older model or one that uses Wi-Fi, some users report seeing slowdowns in automations and less reliability overall with their smart homes. —Jennifer Pattison Tuohy, The Verge, 14 June 2024

Word History

First Known Use

1810, in the meaning defined at sense 1

Kids 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