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

Other benefits include greater speed and reliability. —Anar Mammadov, Forbes, 5 Nov. 2024

From precise surgical movements to the exploration of distant planets, the Harmonic Drive's genius lies in its simplicity, reliability, and precision. —New Atlas, 4 Nov. 2024

Big picture: The grid operator simply needs more power plants to maintain reliability, said Joseph Bowring, PJM's independent market monitor, said during the conference. —Daniel Moore, Axios, 4 Nov. 2024

However, people across the political spectrum showed much more faith in the reliability and security of Colorado’s election system. —Tina Griego, The Denver Post, 31 Oct. 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